A city has 15 radio stations, including 3 college radio stations. What is the probability that a randomly chosen radio station in this city is a college radio station?

Write your answer as a fraction or whole number.

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

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations