Lea Ann has plants between her house and the walk. The area is rectangular in shape, 6 feet wide and 62 feet long. In the back lawn, she has an elliptical bed with axes 14 feet and 18 feet and a birdbath in the center. She filled the beds with 9 inches of topsoil.
a. How many cubic yards of topsoil were needed to fill the rectangular
bed?
b. How many cubic yards of topsoil were needed to fill the elliptical
bed? Use the formula, A = ?SL, times the depth.
c. How many total cubic yards of topsoil were needed?
d. How many feet of edging were needed to enclose the elliptical
bed? Use the formula 
a. 10 yd3
b. 5.5 yd3
c. 15.5 yd3
d. 51 ft
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