Add or subtract as indicated. Simplify, if necessary.- 
+ 
A. 
B. 
C. - 
D. - 
Answer: C
Mathematics
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Solve the problem.A company estimates that the revenue (in dollars) from the sale of x units of doghouses is given by 
Use the differential to approximate the change in revenue from the sale of one more doghouse when 850 doghouses are sold.
A. $70.00 B. $0.87 C. $0.70 D. $87.00
Mathematics
Find the exact length of the missing side of a right triangle with sides a, b, and c, where c is the hypotenuse.a = 15, b = 20
A. 13 B. 24 C. 18 D. 25
Mathematics
Provide an appropriate response.Solve the system of nonlinear equations:y = x3 - 4xy = -
x2 + 2
A. (-2, 0)
B. (2, 0)
C. - 
, 
D. all of the above
Mathematics
Translate to an algebraic expression.Seventy-nine less than two times a number
A. 2 - 79x B. 79 - 2x C. 2x - 79 D. 79x - 2
Mathematics