Simplify the expression without a calculator.-2-3
A. - 
B. 8
C. -8
D. 
Answer: A
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Evaluate.The volume of a cylinder with height h and radius r is given by V = ?r2h. Find the volume of the cylinder. Use 3.14 for ?.
A. 175.8 ft3 B. 2461.8 ft3 C. 351.7 ft3 D. 615.4 ft3
Solve.Amy can clean the house in 7 hours. When she works together with Tom, the job takes 5 hours. How long would it take Tom, working by himself, to clean the house?
A. 2 hr
B. 18 hr
C. 18
hr
D. 17
hr
Various signs have symmetries. Determine if the following sign has line symmetry, turn symmetry, and/or point symmetry, if any.Hospital
A. This sign has line symmetry, turn symmetry and point symmetry. B. This sign has line symmetry only. C. This sign has turn symmetry and point symmetry. D. This sign has line symmetry and point symmetry.
Give the domain and range of the function.s(x) = 
A. Domain: (-?, 5) ? (5, ?); Range: (-?, 0) ? (0, ?)
B. Domain: (-?, 5]; Range: [0, ?)
C. Domain: (
, ?); Range: (-?, 0]
D. Domain: all real numbers; Range: [0, ?)