Solve the problem.The sum of the measures of the angles in any triangle is 180 ° . In triangle ABC, angles A and B have the same measure, while angle C is 63 ° larger than each of the other two angles. Find the measure of 
A. 78 °
B. 141 °
C. 102 °
D. 39 °
Answer: C
Mathematics
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Use the multiplication principle to solve the equation.72 = -8k
A. -9 B. 1 C. 80 D. -80
Mathematics
Simplify the expression without a calculator.49-3/2
A. -343
B. 343
C. 
D. - 
Mathematics
Combine. Simplify the answer.
+ 
A. 
B. 
C. 
D. 
Mathematics
Use the graph of f to determine the intervals where f is increasing and where f is decreasing.
A. incr: x ? 0; decr: x ? 0 B. incr: all x C. decr: all x D. incr: x ? 0; decr: x ? 0
Mathematics