Find the equation of a circle satisfying the given conditions.Center: (0, -2); radius: 
A. (x - 2)2 + y2 = 4
B. (x + 2)2 + y2 = 4
C. x2 + (y + 2)2 = 2
D. x2 + (y - 2)2 = 2
Answer: C
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Find the center of mass of a thin plate of constant density covering the given region.The region enclosed by the parabolas y = - x2 + 32 and y = x2
A. 
= 0, 
= 
B. 
= 0, 
= 32
C. 
= 16, 
= 0
D. 
= 0, 
= 16
Find the first four terms of the binomial series for the given function.(1 - 6x)1/2
A. 1 - 3x - 
x2 - 
x3
B. 1 - 3x - 
x2 - 
x3
C. 1 - 3x + 
x2 - 
x3
D. 1 + 3x + 
x2 - 
x3
Solve.How many cubic yards of concrete are needed to pour a concrete slab 24 feet long, 14 feet wide and 8 inches thick? Round to the nearest tenth.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.A triangle drawn on a map has sides of lengths 7.0 cm, 11 cm, and 14 cm. The shortest of the corresponding real-life distances is 124 km. Find the longest of the real-life distances. Round to the nearest unit.
A. 62 km B. 195 km C. 248 km D. 158 km