The perimeter of the triangular park shown on the right is 18x - 5. What is the missing length? 5x-3
4x + 1

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

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