Which of the following is the general term for the sequence m, -m, m, -m, . . .?

m(-1)n - 1
(-1)mn + 1
(-1)mn - 1
(-m)n

Find the difference (8ab+a+2) - (3ab+6)

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

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?