Find the value of x. with the numbers 18 and 2x-5

Three coins are flipped. what is the probability that there will be at least two tails?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers