Find the product.(-4)(13)

A. -52
B. -48
C. -65
D. 48


Answer: A

Mathematics

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Use scientific notation to solve the problem.The national debt of a small country is $7,420,000,000 and the population is 2,550,000. What is the amount of debt per person?

A. $2.91 x 103 B. $2.91 x 106 C. $2.91 D. $29.10

Mathematics

Calculate the area of the surface S.S is the portion of the cylinder x2 + y2 = 4 that lies between z = 1 and z = 2.

A. 4? B. 12? C. 6? D. 2?

Mathematics

Solve the problem.Five horses (A, B, C, D, and E) are racing at the local track. According to the oddsmakers, A has a "one in four" probability of winning [i.e. Pr(A) = ], B has a "one in ten" probability of winning, and C has a "one in twenty" probability of winning. The remaining two horses both have the same probability of winning. Find the probability assignment for the probability space.

A. Pr(A) = , Pr(B) = , Pr(C) = , Pr(D) = , Pr(E) = 
B. Pr(A) = , Pr(B) = , Pr(C) = , Pr(D) = , Pr(E) = 
C. Pr(A) = , Pr(B) = , Pr(C) = , Pr(D) = , Pr(E) = 
D. Pr(A) = , Pr(B) = , Pr(C) = , Pr(D) = , Pr(E) = 
E. Pr(A) = , Pr(B) = , Pr(C) = , Pr(D) = , Pr(E) = 

Mathematics

The following circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer the question. What is the ratio of money spent on rent to money spent on transportation?

A.
B.
C.
D.

Mathematics