Add or subtract as indicated. Express the answer as a single polynomial in standard form.(6x2 + 7x - 8) + (4x2 + 6x + 3)
A. -4x2 + 12x + 10
B. 10x2 + 13x + 5
C. 10x2 + 13x - 5
D. 10x2 - 13x - 5
Answer: C
Mathematics
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Provide an appropriate response.The graph of the equation y = -2x2 + 9x - 7 opens 
.
A. upward B. to the left C. to the right D. downward
Mathematics
Change the radical to simplest radical form.
A. 
B. 
C. 
D. 
E. 
Mathematics
Use the table to solve the problem.The following table gives the road distances between various cities.
How far is Ashland from Grand Junction?
A. 235 miles B. 224 miles C. 94 miles D. 159 miles
Mathematics
Multiply the monomials. Assume any variable exponents represent whole numbers.(-6x3nyn + 2)
A. - 
x3n2y7n + 14
B. - 
x4nyn + 9
C. - 
x3nyn + 9
D. - 
x4ny2n + 9
Mathematics