What are the prime numbers of: 13, 27, 81, 21, 43, 48, 23, 49, 45

Suppose the mean weight (in pounds) of a newborn elephant is 200 pounds with a standard deviation of 23 pounds. If you take a sampling of 15 elephants, what is the probability that your sample has a mean weight of 198?

Statements about a square that are always true?

James says that if a prime number is doubled that the new number is prime state whether you agree or disagree and give an example that proves the conjecture or a counter example

Seth went to sticker station. he bought 1 sheet of 100,4 strips of 10, and 6 single soccer stickers, and he bought 8 strips of 10 and 3 single animal stickers. How many stickers did Seth buy?

Simplify: 8^u • 8^15 • 8^2

If b does not equal 0 , can the solution set of ax = b be a plane through the origin?

Ramon earns $1,840 each month and pays $53.40 on electricity. To the nearest tenth of a percent, what percent of Ramon's earnings are spent on electricity each month?

The city of Hamden received money for improvements of the town's park. The park committee polled a random sample of 75 residents from the town. Of the 75 residents, 27 would like to see more trees planted in the park.

Intersecting lines forming linear pair which pair of angles is a linear pair?

A small publishing company is planning to publish a new book. The production cost to include a one-time fixed cost and variable cost. There are two production methods it could use.