Multiply and simplify. Assume that all variables represent positive real numbers.(5
- 8)2
A. 25x + 80
+ 64
B. 25x + 16
C. 25x - 64
D. 25x - 80
+ 64
Answer: D
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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) = cos x + 3, [0, 2?], left-hand endpoint
A. 
B. 
C. 
D. 
Solve the problem.Suppose you purchase a car and you are going to finance $15,000 for 60 months at an APR of 7.5% compounded monthly. Find the monthly payments on the loan. Round your answer to the nearest cent.
A. $352.28 B. $354.34 C. $300.57 D. $289.99 E. $292.09
Multiply.(-2x2)(4x4)
A. 8x6 B. 8x8 C. -8x6 D. -8x8
Write an equation in standard form using only integers for the line described.The line through (4, 4), parallel to y = - 
x + 1
A. 5x - 7y = 48 B. 7x + 5y = -48 C. 5x + 7y = -48 D. 5x + 7y = 48