Evaluate the exponential expression. Write the answer as an improper fraction where appropriate.(-7)2

A. -49
B. -14
C. 14
D. 49


Answer: D

Mathematics

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A.

B.

C.

D.

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Use the unit circle to determine the value of the given expression or state that it is undefined.sec 

A. - 
B. -2
C. - 
D.

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Find the area of the sector formed by central angle ? = 2.6 in a circle of radius r = 4 inches. ? If the answer needs rounding, round it to three significant digits. ? A = __________ in2

Fill in the blank(s) with the appropriate word(s).

Mathematics