If the sale price is $50, and the percent of discount is 75%, then what is the original price?

Answer this question! 30 points and brainliest! only if you know the answer.

Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.