Simplify the expression.
3^-9 * 3^6 * 3^6
3^3
9^3
27^3
3^-324

H(x)=4x2-5x h(-3) what is the answer?

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Tom drove 206 miles in 3.9 hours. estimate his average speed.