David bought three candy bars for $2.45. Assuming that each candy bar is the same price, what is the unit rate for the cost of the candy bars? Be sure to round your answer to the nearest hundredth.

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.