Determine if the given value is a solution to the equation.9 - 
z = 
z; 20
A. not a solution
B. solution
Answer: B
Mathematics
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Solve the problem.Find the number of units that must be produced and sold in order to yield the maximum profit, given the following equations for revenue and cost:R(x) = 50x - 0.5x2C(x) = 10x + 3.
A. 43 units B. 40 units C. 60 units D. 41 units
Mathematics
Multiply.(8p - 7)(8p + 7)
A. 64p2 - 112p - 49 B. p2 - 49 C. 64p2 + 112p - 49 D. 64p2 - 49
Mathematics
Use the square root property to solve the equation.(x - 5)2 = -81
A. 4, -14 B. -4 C. 14, -4 D. No real solutions
Mathematics
Divide.
A. -4 B. -6 C. -5 D. 5
Mathematics