Perform the indicated operation or operations.
+ 
A.
B.
C.
D.
Answer: C
Mathematics
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Solve the problem.Suppose that R ={(x, y): 0 ? x ? 2, 0 ? y ? 5},R1 = {(x, y): 0 ? x ? 2, 0 ? y ? 4}, andR2 = {(x, y): 0 ? x ? 2, 4 ? y ? 5}. Suppose, in addition, thatdA = 5,
dA = 5, and
dA = 2.Use the properties of integrals to evaluate
dA.
A. 16 B. 70 C. 30 D. 11
Mathematics
Find the base.0.4 is 20% of what number?
A. 0.08 B. 0.8 C. 0.5 D. 2
Mathematics
Use the information below to determine the indicated set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}A ? B'
A. {1, 3, 5, 7, 8, 9, 10, 11, 12} B. {1, 3, 5, 12} C. {7, 9, 11, 12} D. {7, 9, 11}
Mathematics
372 ÷ 12.0
A. 32 B. 3.1 C. 310 D. 31
Mathematics