Translate the percent equation into an English sentence.9% ? 42 = x
A. 9% of what number is 42?
B. 42 is 9% of what number?
C. 9 is what percent of 42?
D. 9% of 42 is what number?
Answer: D
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Solve the problem.A manufacturer contracts to mint coins for the federal government. How much variation dr in the radius of the coins can be tolerated if the coins are to weigh within 1/10 of their ideal weight? Assume that the thickness does not vary.
A. 0.10% B. 10% C. 5.0% D. 0.050%
The graph of the given function is drawn with a solid line. The graph of a function, g(x), transformed from this one is drawn with a dashed line. Find a formula for g(x).f(x) = 
A. g(x) = 
B. g(x) = 
C. g(x) = 5x3
D. g(x) = 
- 5
Solve using the substitution method. Use a graphing calculator to check your answer. 4x - 7y = -243x + 5y = 64
A. (-8, 8) B. (8, 8) C. (-3, -5) D. No solution
Prove that the identity is true.
?
What will be an ideal response?