Write the percent problem as a proportion and solve.48% of what number is 84?
A. 1750
B. 57
C. 0.57
D. 175
Answer: D
Mathematics
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Provide an appropriate response.Solve, checking for extraneous roots: 
- 
= 
A. x = 4 B. x = 9 C. x = 9 D. x = 3
Mathematics
Find the coordinates of the vertex of the parabola.y = x2 - 2
A. (0, -2) B. (0, 2) C. (-2, 0) D. (2, 0)
Mathematics
The middle term of the trinomial has been rewritten. Now factor by grouping.y2 + 6y + 4y + 24
A. (y + 6)(y + 4) B. (y + 6)(y - 4) C. y(y + 34) D. (y - 6)(y - 4)
Mathematics
Solve and simplify.
+ x = 
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics