Solve the application problem.The graph shows the height as a function of time of a ball thrown straight up from an initial height of 112 feet. What is the height of the ball after 2.5 seconds? 
A. approximately 250 feet
B. approximately 260 feet
C. approximately 200 feet
D. approximately 225 feet
Answer: A
Mathematics
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Calculate the circulation of the field F around the closed curve C.F = x3y2i + x3y2j; curve C is the counterclockwise path around the rectangle with vertices at 
, and 
A. 0 B. - 9 C. -108 D. 153
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Solve Ax + By = C for x.
a. x = b. x = c. x = d. x =
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Perform the indicated operation.Find the sum of (8 + 4n7 - 3n5) and 
A. 32n12 B. 13n7 + 6n5 + 13 C. 17n7 + 13n5 + 2 D. 13 + 6n7 + 13n5
Mathematics
Simplify.(-7x5y)(-4x3y6)
A. -28x8y6 B. 28x8y7 C. 28x15y6 D. -11x8y6
Mathematics