Which is equivalent to the
expression below?
4x + 2x – 2y - y
A. -6(x + y). C. 6(x - y)
B. -3(2x + y) D. 3(2x - y)

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8