Two relationships are described.

relationship s: karen drove 160 miles in 4 hours and then she dorve 80 miles in 2 hours.

relationship t: veron cooked 6 hamburgers in 10 min, and thenhe cooked 9 hamburgers in 15 min.

what statement is true about these relationships?

a. neither relationship is a direct variation.
b. both relationships are direct variation.
c. only relationship s is a direct variation.
d. only relationship t is a direct variation.

Find the area of the regular hexagon if a side is 20 cm.

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

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.