Abdoul bought 3 books. Each book was the same price. After using a $10-off coupon, the total charge was $20. Which equation can be used find 'b', the cost of each book?

Asphere has a diameter of 10 in. what is the volume of the sphere?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: