susan needs to buy plastic forks. brand a has a box of 25 forks for $2.12. brand b has a box of 72 forks for $5.09. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answers to the nearest cent.

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.

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

What function has a range {yly< 5}? question on picture above^