I need help on this quick

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

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