Answers created by Dawn A.

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How do you solve the system of equations $y = - \frac{7}{2} x - 4$ $y= - \frac { 7} { 2} x - 4$ and $y = - \frac{1}{2} x + 2$ $y = - \frac { 1} { 2} x + 2$ by graphing?
How do you multiply $(8 - 2 i) (- 3 + 7 i)$ $(8-2i)(-3+7i)$ in trigonometric form?
What is the variance of {-4, 2, 3, 4, -15, 7, -8, -12}?
How do you simplify $\sqrt{196}$ $sqrt(196)$ ?
How are z-scores used in the standardization of test scores?
How do you get (cot) (csc) (sec) on my calculator?
How do you find domain and range for $f (x) = | x - 2 |$ $f(x) = abs(x-2)$ ?
How do you solve $\sqrt{x} (\sqrt{9} - 4 \div 3) = \sqrt{25}$ $sqrtx (sqrt9 - 4÷3) = sqrt25$ ?