I’m not 100% sure but isn’t it x2 +xy +y2?
Answer:
D, 10.
Step-by-step explanation:
10+8=18 4/3x18=24
Answer:
<h2>52 ft.</h2>
Step-by-step explanation:
In this case, we need to calculate a perimeter, which is the sum of all sides of the rectangle.
So, rectangles has opposite sides equal, therefore, the perimeter should be:
; having L as the larger side.

Hence, the strip of wallpaper needs to be as least 52 ft.
36.
90 times 2/5 (or 0.4) is equal to 36