What can you multiply to eliminate a variable? 3x + 2y = 22
-x + 4y = 2

(There are multiple options, which ones are possible here?

a. First equation by -2
b. Second equation by -3
c. First equation by 3
d. Second equation by 3

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

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.

Which of the following is not a subset of {1,2,3}?