Rewrite the expression. use an exponent, rather than repeated multiplication. (-4) (-4). then simplify. show work.

When can u say there is no solution for a system of linear inequalities? explain your answer and show with a system and graph

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

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?