Please hurry I will mark you brainliest

Rename mixed numbers before you can subtract are what

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

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?