At a used book store, you can purchase two types of books. You can use the expression 3h + 2p to find the total cost for h hardcover books and p paperback books. What is the total cost, in dollars for 6 hardcover books and 4 paperback books?

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

What is 0.368,0.380,0.365,and 0.383 in order from least to greatest