If 3p+34=90, 2r+44=76 and 53+6s=1421, what is the product of p, r, and s?

True or false? a triangle can be circumscribed about a given circle

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

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.