Lily likes to collect records. last year she had 10 records in her collection. now she has 15 records. what is the percent increase of her collection?

If the radius of the smaller sphere is 3 inches and the radius of the larger sphere is 6 inches how many times greater is the volume of the larger sphere

Can you use SAS (Side-Angle-Side) to prove triangle congruence?

Which of the numbers below belong to both of natural numbers and set of integers? A. - 7 B. 3 C. - 9 D. None of the numbers belong to both the set of natural numbers and integers

1. Change the following subtraction problems into addition problems. a. - 2-3 b. 8 - (-1) C. 4-9

What is The sum of five times z and four, divided by two, is seven

A circle has a radius of 7cm. find the radian measure of the central angle? that intercepts an arc of length 16cm.

54.4% of tickets sold to a movie are sold with a popcorn coupon, and 45.6% are not. You want to calculate the probability of selling exactly 6 tickets with popcorn coupons out of 10 total tickets (or 6 successes in 10 trials).

Arron just paid $7.40 for a new pair of sunglasses. His father told him that prices were different 10 years ago. Then his grandfather told him that 20 years ago, prices were even better.

A dump truck is careying 4250 pounds of gravel. There are 2000 pounds in a ton. Express the weight of the gravel in tons only by using a mixed number. If necessary, simplify the fraction part of the mixed number.

A marketing research company desires to know the mean consumption of milk per week among males over age 25. They believe that the milk consumption has a mean of 2.5 liters, and want to construct a 85% confidence interval with a maximum error of 0.