Rob is saving to buy a new mp3 player. for every $16 he earns babysitting, he saves $7. on saturday, rob earned $48 babysitting. how much money did he save?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

If f(x) = 4 - x2 and g(x) = 6x, which expression is equivalent to (g-f)(3)? 06-3-(4 + 3)2 06-3-(4-33 6(3) - 4 +32 6(3) -4 -32

What is perpendicular to y=-1/2x+11