Answers edited by Shreya

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• You have 25ml of acetic acid (CH3COOH) density=1.058g/ml How many grams do you have? How many mol do you have? How many molecules do you have? Help please
  
• How do you simplify #\frac { 5y ^ { 3} } { ( 5y ) ^ { - 2} }#?
  
• How do you solve the following linear system: # -x+3y=-9 , 8x-4y=32 #?
  
• How do you solve #3/4+1/2x=2+1/4x#?
  
• What is #f(x) = int e^x dx# if #f(0)=-2 #?
  
• Prove that the square of the distance between the two points (x1,y1) and (x2,y2) of the circle x^2+y^2=a^2 is 2(a^2-x1x2-y1y2)?
  
• A hospital has 46 bottles of aspirin and each bottle contains 275 tablets. How many tablets does the hospital have in all?
  
• How do you solve #1+ 3x = - 7+ x#?
  
• Question #7267c