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)

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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