Evaluate. Simplify if possible.- 
+ 
A. - 
B. 
C. 
D. - 
Answer: C
Mathematics
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Use symmetry to evaluate the integral.
A. 
B. 0
C. - 
D. 
Mathematics
Estimate the value of the quantity.Joe wants to find out how far it is across the lake. His boat has a speedometer but no odometer. The table shows the boats velocity at 10 second intervals. Estimate the distance across the lake using right-end point values.
A. 3490 ft B. 3590 ft C. 5200 ft D. 349 ft
Mathematics
Subtract.-145 - (-28 )
A. -117 B. 173 C. -173 D. 117
Mathematics
Which method should be used to solve the system? Explain your answer, including a description of the first step.10x2 + 8y2 =99x2 - 9y2 =81
What will be an ideal response?
Mathematics