Help me with the steps please

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

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