Which of the following best describes the solution to the system of equations below? 2x + 7y = 9 2x + 7y = 15

For what value of x does 4x = (1/8) x + 5?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

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