Evaluate.x2 - 9 when x = -6
A. 27
B. x2 - 6
C. -15
D. -45
Answer: A
Mathematics
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Determine whether the number is abundant or deficient.54
A. Abundant B. Deficient
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Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.A semicircular driveway has a diameter of 100 ft. How long is the driveway?
A. 314 ft B. 157 ft C. 155 ft D. 1666.7 ft
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Use sum-to-product formulas to rewrite the expression as a product.sin 6x - sin 2x
A. 2 sin 4x cos 2x B. 2 cos 2x cos 4x C. 2 sin 2x cos 4x D. 2 sin 2x
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Evaluate 
without using a calculator.
A. 
B. 
C. 
D. 
E. 
Mathematics