Which expression shows the simplified form of (8r^-5) ^-3

A. 8r^15

B. 8/r^15

C. 512r^15

D. r^15/512

A bag contains different colored candies. There are 50 candies in the bag, 28 are red, 10 are blue, 8 are green and 4 are yellow. What is the probability of choosing one candy and getting a blue? Fractions should always be in lowest terms.

In a class of 25 students, the average score is 83. eight students in the class each received a maximum score of 100, and five students each received a score of 60. what is the average score of the remaining students?

Ashton rode his bicycle 3.25 miles in 12 minutes. What was Ashton's average rate in miles per hour?

The south beach diet was given to a volunteer group of 25 people who were atleast 25 pounds overweight. Eighteen people from the group lost atleast 20 pounds. What should we conclude about the effectiveness? A.

Hope's mom bakes a cake for hope's birthday. It is in the shape of a rectangle 10in. long and 6in. wide. If she starts at one corner and puts a candle every 2 inches, how many candles will fit around the edge of the cake?

You need to cover a section of floor in a hallway that is 31 inches wide by 9 ft long. How many square meters is this?

Find two positive numbers such that their product is 192 and their sum is a minimum without calculus

5 mile equals what in yards

What is The 2+21+221:22

Monica works on a temporary basis. The mean length of each job she gets is 11 months. If the amount of time she spends between jobs is exponential with mean 3 months, then in the long run what fraction of the time does she spend working?