Phil has 6 more months to pay on his car payment. if his car payment was $395,how much more money does he own

Agrocery store has 12 lb of trail mix that is 10% banana chips. the store's manager would like to add banana chips to bring the new mix up to 25% banana chips. write and solve a system of equations to find out how many pounds of banana chips manager needs to add.

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.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?