Find the area of the triangle using one of the area formulas.A = 30.17°b = 13.4 mc = 11.5 m
A. 38.7 m2
B. 19.4 m2
C. 79.4 m2
D. 77.4 m2
Answer: A
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Solve by the method of elimination by addition or subtraction. x - 6y = -12 3x - 5y = -10
A. x = 1, y = 1 B. x = -2, y = 0 C. x = 0, y = 2 D. Inconsistent
Solve the problem.Jackie's sisters weigh 117 lb, 142 lb, 121 lb, and 126 lb. The average female in her city weighs 136.2 lb. How much does Jackie weigh if she and her sisters have an average weight of 136.2 lb?
A. 126.5 lb B. 126 lb C. 175 lb D. 128.4 lb
Perform the indicated operations and simplify.
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A. 
B. 
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Solve the problem.A probability function is defined by 
. Give the intervals where the function is increasing and decreasing.
A. increasing on (0, ?); decreasing on (-?, 0) B. decreasing on (-?, ?) C. increasing on (-?, ?) D. increasing:on (-?, 0); decreasing on (0, ?)