Multiply and simplify. Assume all variables represent nonnegative real numbers. Write your answer in radical notation.
? 
A. 12m2
B. 7m
C. 12
D. -2m
Answer: A
Mathematics
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -2x - 1, [0, 2], left-hand endpoint
A. 
B. 
C. 
D. 
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Graph the integrand and use geometry to evaluate the integral.
A. 63 B. 126 C. 77 D. 105
Mathematics
Provide an appropriate response.Find the magnitude of the vector in standard position with end point (-4, 9).
A. 8.1 B. 5.1 C. 3.2 D. 9.8
Mathematics
Convert the measure from radians to degrees. Round your answer to two decimal places.3
A. 172.19° B. 171.89° C. 343.78° D. 343.48°
Mathematics