if serena invests the 2500 in a bank account that yields 4% interest, how much interest will serena earn in 2 1/2 years?

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

The square root of 9x plus 7 plus the square rot of 2x equall to 7