Use an algebraic approach to solve the problem. A total of $8000 was invested, part of it at 7% interest and the remainder at 9%. If the total yearly interest amounted to $660, how much was invested at each rate?

Carl wants to buy a television that cost $500 including taxes. to pay for television he will use a payment plan that requires him to make a down payment of $125 and then pay $70.50 each month for six months what is the percent increase from the original cast of the television to the cost of the television using a payment plan.

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3