For a triangle whose perimeter measures 36 units, the radius of the inscribed circle is 3.Find the area of the triangle.
A. 27 
B. 54
C. 108
D. None of These
Answer: B
Mathematics
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For the given data value, find the standard score and the percentile.A data value 0.6 standard deviations above the mean.
A. z = 0.06; percentile = 51.99 B. z = -0.6; percentile = 27.43 C. z = 0.6; percentile = 72.57 D. z = 0.6; percentile = 2.5
Mathematics
Solve the problem.On part of a scenic tour of underground caves, Dave and Neil started at an elevation of - 46 feet. They then rose 12 feet. What was their elevation at this point?
A. 58 ft B. -34 ft C. 34 ft D. -58 ft
Mathematics
Perform the indicated operations.(500)(40,000)
A. 2.0 × 107 B. 2.0 × 109 C. 2.0 × 106 D. 2.0 × 108
Mathematics
Multiply.(9a - 1)2
A. 81a2 - 18a + 1 B. 9a2 - 18a + 1 C. 9a2 + 1 D. 81a2 + 1
Mathematics