Solve the equation.-
= -2
A. 16
B. 4
C. -4
D. 30
Answer: B
Mathematics
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Solve the problem.Evaluate 
at (x, y, z) = (5, 4, 3) for the function u(p, q, r) = p2q2 - r; p = y - z, 
A. -56 B. 144 C. -224 D. -112
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Decide whether or not the ordered pair is a solution of the system.(8, 4)y = 
x2x + y = 20
A. Yes B. No
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Write the number in scientific notation.Light with a wavelength of 0.0006 meters is in the infrared portion of the electromagnetic spectrum.
A. 6 × 104 B. 6 × 10-5 C. 6 × 10-4 D. 6 × 10-3
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Solve.The length and width of a rectangle have a sum of 72. What dimensions give the maximum area?
A. Length 35 and width 37 B. Length 36 and width 36 C. Length 27 and width 45 D. Length 26 and width 46
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