Add or subtract. Simplify if possible.
- 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Find the mistake and correct it in the following factoring problem: x4 - 16 = (x2 - 4)(x2 + 4) = (x - 2)(x + 2)(x + 2)(x + 2)
What will be an ideal response?
Mathematics
Find the ratio.
72 in. to 4 ft.
Mathematics
Find the domain of the function.f(x) = 7x + 5
A. (-5, ?) B. (-?, ?) C. (-?, -5) or (-5, ?) D. (-?, 0) or (0, ?)
Mathematics
Express each equation in slope-intercept form. Without graphing the equations, state whether the system of equations has exactly one solution, no solution, or an infinite number of solutions.4x + y = 2016x + 4y = 80
A. one solution B. infinite number of solutions C. no solution
Mathematics