Simplify.
A. 256a
B. 4a
C. 4
D. 4a2
Answer: B
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Solve the problem.During one year 27 new employees began work at Daniel's Manufacturing Company and 40 employees left. At the beginning of the year there were 288 employees. What was the number of employees at the end of the year?
A. 221 employees B. 315 employees C. 275 employees D. 355 employees
Calculate the slope of the line passing through the given points. If the slope is undefined, so state. Then indicate whether the line rises, falls, is horizontal, or is vertical.(7, 1), (-7, -6)
A. - 6, falls
B. 
, rises
C. - 
, falls
D. 2, rises
Solve the problem. Round to the nearest cent.Find the future value of $4000 invested over 6 years in an account with an APR of 3% compounded semiannually.
A. $4373.77 B. $4720.00 C. $4782.47 D. $4776.21
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) = -2x2, [0, 4], midpoint
A. 
B. 
C. 
D. 