Add and, if possible, simplify. + 3

A.
B.
C.
D.


Answer: C

Mathematics

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Solve the problem.The national debt of a small country is $670 billion and the population is 2,604,000. What is the amount of debt per person? Express the answer in scientific notation.

A. $25.70 B. $2.57 × 105 C. $2.57 D. $2.57 × 106

Mathematics

Solve the problem.A boys club collected a total of $667 in membership dues from 29 members. How much are the membership charges for the club?

A. $23 B. $46 C. $20 D. $25

Mathematics

Solve the equation graphically, numerically, or symbolically. If appropriate, round the solution to hundredths. ?x? = 3

A. -3 B. 9 C. 3, -3 D. 3

Mathematics

Subtract. Simplify, if possible. - 

A.
B.
C.
D.

Mathematics