How do i multiply negative exponents

Add. 3 2/10 + 3/10 + 4/10 =

Ronald bikes 6.9 miles each day how far has ronald biked in seven days

1. Simplify 3 (2x + 5) 2. 24 + 8x =

The cost, C, of an item (the price paid by a retailer) plus the markup, M, on that item (the retailer's profit) equals the selling price, S, of the item. The formula is Upper C plus Upper M equals Upper S. The selling price of a computer is $1770.

Use the binomial theorem to expand (2x+1) ^3

Bala earned $42,000 last year working at the store. He also earned $3,433.52 delivering newspapers. How much did Bala earn last year?

If 5 pizzas cost $70 how much will pizzas cost?

What is 7 2/5 - 5 2/3

The sum of two numbers is 30 & their difference is 12.

Write an equation for each line. (1,2) (4,4)