Answer the question.List the first four multiples of 5x and of 9x

A. 25x, 30x, 35x, 40x; 45x, 54x, 63x, 72x
B. 5, ; 9, , 3, 
C. 5x, 10x, 15x, 20x; 9x, 18x, 27x, 36x
D. 5, 25, 125, 625; 9, 81, 729, 6561


Answer: C

Mathematics

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Solve the problem.Company X sold 400 microwaves at $57.49 each and 40 refrigerators at $1150.21 each to an appliance retailer. Shipping and handling charges totaled $3776.66. Insurance on the order was $541.74. Complete the invoice below.

A.

B.

C.

D.

Mathematics

Solve the system by either elimination or substitution. Verify your work by using "intersect" on your graphing calculator of by checking that your result satisfies both equations of the system.5(2x + 3) - y = -307x - 5(y - 3) = -38

A. (4, 5) B. (-4, 5) C. (-5, 4) D. (5, -4)

Mathematics

Find n for the given value of an in the arithmetic sequence.an = 930; 1, 2, 3, . . . 

A. n = 465 B. n = 1860 C. n = 30 D. n = 29

Mathematics

Find the domain.f(x) = 

A. {x? x is a real number and x ? -4} B. {x? x is a real number and x ? 4} C. All real numbers D. {x? x is a real number and x < 4}

Mathematics