Please help and answer quickly

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Anyone know? is appreciated! will mark brainliest if correct!

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