Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. 
B. 
C. - 
D. 
Answer: B
Mathematics
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Find the Cartesian coordinates of the given point.
A. 
B. 
C. 
D. 
Mathematics
Translate the following into an equation where x represents the unknown number. Then solve the equation for x.The difference of a number and 
is 0.
A. x + 
= 0, x = - 
B. x - 
= 0, x = 
C. x - 
= 0, x = 9
D. x + 
= 0, x = - 9
Mathematics
Find the equivalent fraction with the given numerator or denominator.
; denominator = 18
A. 
B. 
C. 
D. 
Mathematics
Write a cost function for the problem. Assume that the relationship is linear.Marginal cost, $70; 90 items cost $7100 to produce
A. C(x) = 70x + 800 B. C(x) = 9x + 7100 C. C(x) = 70x + 7100 D. C(x) = 9x + 800
Mathematics