A tortoise can walk 1/2 a mile in 1/4 of an hour. The hare can run 1 1/2 miles in 1/2 hour. what is the equation that relates the number distance that each animal runs?

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year? show your work and explain your reasoning in the space provided below.