Solve the problem.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. The company used 100 black, 110 white and 90 red wires. How many of each type of cable were made?

A. 10 A; 30 B; 93 C
B. 20 A; 30 B; 10 C
C. 10 A; 103 B; 20 C
D. 10 A; 30 B; 20 C


Answer: D

Mathematics

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A.

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D.

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Eliminate the parameter to obtain a Cartesian equation of the curve.x = 2t, y = t + 5, -2 ? t ? 3

A. = - 5-? < x < ?
B. = x2 + 1, -? x ? 2
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Mathematics