To the nearest square unit, what is the area of the regular heptagon shown below?

7x+8y=-18, 4x-9y=-3 solve the system of equations

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

How many terms does the polynomial x^2 y^2 have