For the right triangle with sides of lengths 5 in, 12 in, and 13 in, find the length of the radius of the inscribed circle.
A. 2 inches
B. 2.5 inches
C. 3 inches
D. 3.5 inches
Answer: A
Mathematics
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Solve the problem. Round your result to an appropriate number of significant digits.In order to measure the distance across a pond (from A to B), Raul made the measurements shown in the drawing. What is the distance?
A. 140 ft B. 190 ft C. 130 ft D. 210 ft
Mathematics
Solve the equation.
- 
= 
A. n = 
B. n = 
C. n = 
D. n = - 
Mathematics
Evaluate.73 + (-63)
A. -136 B. 136 C. -10 D. 10
Mathematics
Evaluate the exponential expression.53
A. 8 B. 4 C. 15 D. 125
Mathematics