Are the following fractions equivalent?
-(1/9)
-1/9
1/-9

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.