If the total amount allocated for a shipment is $3x2 + x – 10 and if the number of boxes is x+2 find the simplified polynomial that represents the cost of each box. Explain how
you found your answer.
I

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

Which of the following contains a variable?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?