Decide whether the given set of numbers is a commutative group under the given operation.Even integers; multiplication
A. Yes
B. No
Answer: B
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Provide an appropriate response. A circle has a diameter of 5 inches. If 1 in. = 2.54 cm, what is the area in square centimeters?
A. 127 square centimeters B. 78.5 square centimeters C. 19.6 square centimeters D. 507 square centimeters
Find the amplitude, period, or phase shift of the given function as requested.Find the period of y = -5 cos
.
A. ?
B. 
C. 
D. 5
Multiply.2
(
+ 4)
A. 2
+ 8y
B. 2y + 
C. 2y - 8
D. 2y + 8
Provide an appropriate response.Finish the statement with a correct response. To divide two fractions one needs to:
A. Use the reciprocal of the second fraction (divisor), add the numerators and multiply the denominators. B. Use the reciprocal of the second fraction (divisor) and multiply. C. Add the numerators and multiply the denominators. D. Add the numerators and factor the denominators.