Suppose a = {x |x ≤ −2, x ≥ 3} and b = {x | −1 ≤ x < 5}. which statement is true?
a. a ∪ b is all real numbers
b. a ∩ b = ∅
c. a' = {x | −2 ≤ x ≤ 3}
d. b ⊆ {x | x ≤ 5}

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54