Fill in the blank.The measure of a straight angle is 
.
A. 90°
B. between 0° and 90°
C. between 90° and 180°
D. 180°
Answer: D
Mathematics
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Divide numerator and denominator by the highest power of x in the denominator to find the limit.
A. 9 B. does not exist C. 81 D. 729
Mathematics
Write the number as a decimal.
A. 0.0125 B. 1.25 C. 0.0625 D. 0.125
Mathematics
Graph the circle.x2 + y2 = 49
A. 
B. 
C. 
D. 
Mathematics
Find the domain of the logarithmic function.f(x) = ln 
A. (1, ?) B. (0, ?) C. (-2, ?) D. (2, ?)
Mathematics