Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0
B. -12
C. 1
D. -4
Answer: C
Mathematics
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Solve the right triangle. If two sides are given, give angles in degrees and minutes.
a = 103.21 ft, c = 292 ftRound the missing side length to two decimal places.
A. A = 21° 42', B = 68° 18', b = 273.15 ft B. A = 20° 42'; B = 69° 18'; b = 273.15 ft C. A = 18° 42', B = 71° 18', b = 286.81 ft D. A = 20° 42', B = 69° 18', b =254.03 ft
Mathematics
The graph of a polar equation is given. Select the polar equation for the graph.
A. r = 1 B. r = 2 cos ? C. r = 2 sin ? D. r sin ? = 1
Mathematics
Simplify the expression.
A. 
B. 
C. a - 6
D. a + 6
Mathematics
Identify the element specified for the matrix.
a11
A. 3 B. -6 C. 5 D. -4
Mathematics