D..............................
Answer:
XU is horizontal
Step-by-step explanation:
It's going across
Represent the length and width by L and W. Then L = W + 4.
Using the perimeter formula: P = 2L + 2W = 68 ft = 2W) + 2(W+4).
Solve for W: 68 = 2W + 2W + 8, or 4W = 60. Thus, W = 15 and L = 19.
The dimensions of the rectangle are 15 by 19 feet.
Answer:
A. 729 cu in
Explanation:
Step 1: 9x9 = 81
Step2: 81x9 = 729
