1. Evaluate the algebraic expression for the given value of the variable: 9.7 + 3.1w - 1.9 for w = 2.3​

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

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

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?