Solve the problem.What is 100% of 9
miles?
A. 100 miles
B. 950 miles
C. 109
miles
D. 9
miles
Answer: D
Mathematics
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Answer the question.Estimate the error if e-4x2 is approximated by 1 - 4x2 + 
in the integral of 
dx.
A. 
B. 
C. 
D. 
Mathematics
Find the length of the curve.x = 7 sin t - 7t cos t, y = 7cos t + 7t sin t, 0 ? t ? 
A. 
?2
B. 
?2
C. 
?
D. 
?2
Mathematics
Provide an appropriate response.Use a calculator to evaluate 
.
A. 205 B. 45 C. 55 D. 15
Mathematics
Find the exact value of the expression. Do not use a calculator.cos (2?) + sin 
A. 1 B. 0 C. 2 D. -2
Mathematics