If amanda walks at an average speed of 2.72 miles per hour how long will it take her to walk 6.8 miles

I’m really confused and need to learn this

Multiply the polynomials (x+3)(x^2-6x+5)

Real gross domestic product: a) will increase if the price level increases. b) can change from one year to the next even if there is no change in output. c) will increase if the level of output increases. d) is a measure of inflation.