Simplify and write the resulting polynomial in descending order of degree.15a7 - 10a7 + 15a4 + 12a7 - 9a4
A. 17a4 + 6a7
B. 23a11
C. 23a7
D. 17a7 + 6a4
Answer: D
Mathematics
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or 
(as appropriate) using the given equations.
A. -9 B. 9 C. 21 D. -21
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Solve.What is 5% of 500?
A. 0.25 B. 250 C. 25 D. 2.5
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Sketch the graph of the function.y = sin (2?x + 2)
A. 
B. 
C. 
D. 
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Use the grid to graph the function. Find the limit, if it exists
f(x), f(x) = 4x + 2
A. -8 B. -6 C. -2 D. does not exist
Mathematics