Solve.x2 - 7 = 0
A. 
B. 
C. ±
D. 49
Answer: C
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Solve.Beaufort Canal has a semi-elliptical cross section with a width W = 56 feet and a depth D = 12 feet (see figure). The keel on Sasha's yacht rides 4 feet below the water line at the keel's deepest point. If the yacht travels parallel to the canal, and assuming the canal is completely full of water, how close can Sasha bring the yacht's centerline to the edge of the canal without running aground? (The keel is the very bottom of a boat hull and runs directly below the boat's centerline from front to back.)
A. 7 ft B. 3 ft C. 21 ft D. 4 ft
Use the ordinary annuity formula to determine the accumulated amount in the annuity. Round the answer to the nearest cent.$150 is invested quarterly for 8 years at 8% compounded quarterly
A. $7334.17 B. $6634.05 C. $12,634.18 D. $7034.07
Find an equation of variation if the following conditions exist.Suppose m varies directly as p and m = 63 when p = 7.
A. m = 
p
B. m = 56p
C. m = 70p
D. m = 9p
Determine whether the given lines are parallel, perpendicular, or neither.12x + 4y = 1615x + 5y = 22
A. Perpendicular B. Parallel C. Neither