Simplify the expression, and combine like terms.-5(10xy + 10y2) + 8y(9x + 7y)
A. 22xy + 6y2
B. 22xy + 10y2 + 7y
C. -100xy3 + 9x + 7y
D. 5xy + 5
Answer: A
Mathematics
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Decide whether or not the ordered pair is a solution to the equation.y = -3x; (2, -6)
A. Yes B. No
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Solve the problem.After a new firm starts in business, it finds that its rate of profits (in hundreds of dollars per year) after t years of operation is given by 
Find the profit in year 8 of the operation.
A. $42,700 B. $52,150 C. $18,900 D. $60,000
Mathematics
Write the complex number in rectangular form.3
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Mathematics
Provide an appropriate response.Determine the point elasticity of the demand equation: q = p2 - 10p + 200.
Fill in the blank(s) with the appropriate word(s).
Mathematics