Divide using the quotient rule for exponents. Write the result with positive exponents. Assume that variables in the denominator are not equal to 0. 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify the expression.
A. 4x10 B. 4x4 C. 16x D. 256x4
Mathematics
Find A-1, if it exists.A = 
A. Does not exist
B. 
C. 
D. 
Mathematics
Solve the problem.A model for advertising response is given by 
where N(a) = the number of units sold and a = the amount spent on advertising, in thousands of dollars. How many units are sold after spending $3000 (a = 3) on advertising?
A. 2203 B. 7905 C. 2378 D. 1881
Mathematics
Find the equation of the line through the given pair of points in standard form using only integers.(1, -3) and (1, 2)
A. x = 1 B. y = 1 C. x = -3 D. y = 2
Mathematics