The number line represents −4 1/2+3 1/4. What is the sum?

Need on this geometry question. explain how you did it.

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

Find the zeros of each function. f(x) = 6x^2 - 7x - 20