Find the area of the circle.A circle with diameter 15 cm
A. 94 cm2
B. 180 cm2
C. 47 cm2
D. 710 cm2
Answer: B
Mathematics
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Solve.If an I-beam is to be 
in. with a tolerance of ± 
in., find the longest and shortest acceptable lengths.
What will be an ideal response?
Mathematics
Provide an appropriate response.Perform the operation and simplify your answer: 
- 
What will be an ideal response?
Mathematics
Factor the expression completely, if possible.r6 + 27t3
A. (r + 3t)(r2 - 3rt + 9t2) B. (r - 3t)(r2 + 3rt + 9t2) C. (r2 - 3t)(r4 + 3r2t + 9t2) D. (r2 + 3t)(r4 - 3r2t + 9t2)
Mathematics
Write the expression below in terms of common logarithms, and then give a calculator approximation (correct to four decimal places).
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics