match each expression in the top row with an equivalent expression in the bottom row. please help me. this is urgent.

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

Which function is increasing? o a. f(x)=(1/15)* o b. f(x)= (0.5)* o c. f(x)=(1/5)* o d. f(x) = 5*

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?