Which of the following is the general solution to y = arccos(√3/2) if k is a whole number? y = ± π/6 ± 2 kπ
y = ± π/4 ± 2 kπ
y = ± ± 2 kπ
y = ± 2 kπ

Which value is not a solution of 8x^3 – 1 = 0

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?