How many shirts must be purchased so that the cost is the same at both companies? A. 4
B. 6
C. 8
D. 10

I'll give brainliest if you answer right : )

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

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 florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.