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How do you solve the system of linear equations #x+y=2# and #2xy=5#?

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Question #71ec3

A number is less than one fourth the sum of three times the number and four. What is the number?

Question #86b06

You have to run 2.50 miles for gym class. How many meters must you run to be successful?

How do you factor #28u ^ { 4}  63u ^ { 2}#?

You have a rack that can hold 30 CDs. You can fit 7 more CDs on the rack before the rack is full. How many CDs are in the rack?

How do you find #p(2)# if #p( n ) = 2^ { n }#?

How do you combine #\sqrt { 27} + 3\sqrt { 12}  9\sqrt { 8}#?

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How do you simplify #1/x^(5/4)#?

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Question #cee7d

What is the vertex of # y=3x^2 4x2#?

A right triangle has sides A, B, and C. Side A is the hypotenuse and side B is also a side of a rectangle. Sides A, C, and the side of the rectangle adjacent to side B have lengths of #7 #, #4 #, and #1 #, respectively. What is the rectangle's area?

How do you simplify #sqrt(20d) + 4sqrt(12d)  3 sqrt(45d)#?

Question #5ff20

How do you draw a punnett showing all the possible blood types for the offspring produced by a type "O" mother and an a Type "AB" father?

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How do you solve the system of equations #x y = 7# and # 2x + 5y =  8#?

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What are the major types of interactions among organisms?

The madreporite of a starfish would be located on what surface?

Why are most random mutations bad?

If all cells have the same genes, explain why skin cells are so different compared to heart cells?

How do genetic drift, gene flow, mutation, nonrandom mating, and natural selection cause microevolution?

How do you determine three consecutive positive integers such that the square of second, added to the third, is 133?

What are the main functions of the cell membrane?

How do endocytosis and exocytosis maintain homeostasis within the cell?

A woman has type A blood. Her daughter has type O blood. What are the possible genotypes and blood types of the child's father?

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What does CHNOPS stand for?

Can we use microscope slides more than once?

Can we use microscope slides more than once?

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If 1 light year is 63,240 AU (astronomical units), how far in AUs is Alpha Centauri, which is 4.32 light years from the Earth?

How do you solve for x when you have #4x2(3x9) \le 4(2x9)#?

How does acid precipitation form?

How do the littoral zone and the benthic zone differ?

How do you evaluate the integral #int_0^4x^3+2x^28x1#?

What types of organisms are considered K selected?

What are some examples of cladistics?

How does the antiparallel structure of the double helix affect replication?

What are carbohydrates?

What is a bioindicator? What are some examples of bioindicators?

How do multiple alleles affect the number of phenotypes?

What are common mistakes students make with anticodons?

What are some examples of organisms in the phylum chordata?

How do tube feet help echinoderms move?

What levels of organization include abiotic factors?

How do you calculate surface area to volume ratio of a cylinder?

What are common mistakes students make with genetics ?

How do bacteria differ from a virus?

What is the need for gas exchange in organisms?

Structurally, how does a polysaccharide differ from a polypeptide?

What are some examples of organisms in the phylum arthropoda?

How are RNA and DNA different?

What are the monomers and polymers of carbohydrates?

What is the importance of nitrogen fixation?