Can someone help me?

6n^2-7n-75=0 solve by quadratic formula

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

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