Determine the measure of the interior angle at vertex A.
A. 90
B. 360
C. 180
D. 45
Answer: C
Mathematics
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Simplify the expression. Assume that all variables are non-negative.
A. 13
B. 13
C. 
D. 2
Mathematics
Write the first five terms of an arithmetic sequence with the following property:a = - 4, fifth term is - 20
A. - 4, - 9, - 13, - 17, - 20 B. - 4, - 8, - 12, - 18, - 20 C. - 4, - 8, - 11, - 15, - 20 D. - 4, - 8, - 12, - 16, - 20
Mathematics
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).2xy = 3
A. r2 sin 2? = 3 B. r2 cos ? sin ? = 6 C. r2 sin 2? = 6 D. 2r cos ? sin ? = 3
Mathematics
Solve by any method. Assume a and b represent nonzero constants.7ax - 2y = 2 y = 5ax
A. 
B. 
C. 
D. 
Mathematics