The sum of the speeds of two trains is 721.7 miles per hour. if the speed of the first train is 10.3 mph faster than that of the second train, find the speeds of each.

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Which of the following points is collinear with (-2,1) and (0,3)

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27