Which expression is equivalent to w^10 z^4/w^10 z^-4 for all values of w and z where the expression is clearly defined? Answers:
A. 1
B. z^8
C. w^20
D. w^20 z^8

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0