What is the correct written expression for the variable expression: (3 - x)/7 3 divided by the difference of 7 and x
or
the difference of 3 divided by 7 and x

give proof!

Ared balloon starts at 7.3 meters off the ground and rises at 2.6 meters per second. a blue balloon starts at 12.4 meters off the ground and rises at 1.5 meters per second. when will the balloons be at the same height?

Explain how you can use the associative property to evaluate (7x50)x4.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27