Solve the problem.How many months are there in 21 years?

A. 43 months
B. 33 months 
C. 262 months 
D. 252 months 


Answer: D

Mathematics

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Solve the problem.Suppose the sales of a particular brand of appliance satisfy the relationship S(x) = 100x + 3600, where S(x) represents the number of sales in year x, with x = 0 corresponding to 1982. Find the number of sales in 1998.

A. 5100 B. 10,300 C. 5200 D. 10,400

Mathematics

Find the value of the determinant.

A. 60 B. -14 C. -36 D. 36

Mathematics

Solve the problem.An electrical circuit contains three resistors connected in parallel. If the resistance of each is R1, R2, and R3 ohms, respectively, their combined resistance R is given by the formula  Express R as a rational expression.

What will be an ideal response?

Mathematics

Solve the problem.Let f(x) = x-1.74. Approximate f(2.2) to the nearest hundredth.

A. x ? 3.94 B. x ? 0.25 C. x ? 0.30 D. x ? 3.38

Mathematics