Which ordered pair is a solution of the equation? Y = 7x - 3

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

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

Which is f(5) for the function –2x2 + 2x - 3?