Simplify the expression by combining like terms.9x - x - 2x - x
A. 5x
B. -x2 + 7x
C. x2 + 7x
D. 7x
Answer: A
Mathematics
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Solve the problem.If f varies jointly as q2 and h, and f = 54 when q = 3 and h = 3, find k.
A. k = 6 B. k = 48 C. k = 3 D. k = 2
Mathematics
Provide an appropriate response.Find the error in the following "proof" that the area inside the lemniscate 
and then find the correct area. A = 
= 
= 
= 0
What will be an ideal response?
Mathematics
Solve the equation.loga(x - 7) - loga(x - 2) = loga(x - 4) - loga(x + 12)
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify. Assume that all variables are nonzero.
A. 6 B. 1 C. 0 D. -1
Mathematics