Write the expression with only positive exponents. Assume all variables represent nonzero numbers. Simplify if necessary.10-1 - 4-1
A. 
B. - 
C. - 
D. - 
Answer: C
Mathematics
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Provide an appropriate response.A man bought a stereo system for $3500 and agreed to pay off the loan by making monthly payments of $79. If the store charges an interest rate of 11% compounded monthly, how many months will it take to pay off the debt?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify by combining like terms.-0.3t - 
t2 + t - 3 - 
t + t2
A. - 
t2 + 1.5t - 3
B. 
t2 - 1.5t - 3
C. - 
t2 + 0.5t - 3
D. - 
t2 - 0.5t - 3
Mathematics
If y varies directly as x, find the direct variation equation for the situation.y = 1.4 when x = 0.7
A. y = 0.7x B. y = 0.5x C. y = x + 0.7 D. y = 2x
Mathematics
Divide.
A. x - 5 B. x + 5 C. x2 + 4x - 32 D. x2 - 5
Mathematics