Use the problem-solving strategy to solve the problem and find the unknown number.4 times the difference between a number and 8 yields the difference between 5 times the number and 7.
A. 9
B. 25
C. -9
D. -25
Answer: D
Mathematics
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Evaluate the expression for the given value or values.- 
for x = -477, y = 0
A. 477 B. -477 C. 0 D. undefined
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Find the area.
A. 1,530 cm2 B. 648 cm2 C. 765 cm2 D. 756 cm2
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Find the zeros of the polynomial function and state the multiplicity of each.f(x) = -5x2(x - 6)(x + 2)3
A. -2 (multiplicity 3), 0 (multiplicity 2), 6 (multiplicity 1) B. -2 (multiplicity 1), 2 (multiplicity 1), 6 (multiplicity 1) C. -2 (multiplicity 3), 6 (multiplicity 1) D. -2 (multiplicity 3), 0 (multiplicity 2), 2 (multiplicity 1), 6 (multiplicity 1)
Mathematics
Solve.Noise at a construction site has an intensity level of 10-6 watt per square meter. How many decibels is this noise?
A. 6 decibels B. 60 decibels C. -60 decibels D. 600 decibels
Mathematics