Build a variable expression for the given phrase.The difference between four times a number and nine
A. 4x - 9
B. 4(x - 9)
C. 9 - 4x
D. 4 - x + 9
Answer: A
Mathematics
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Convert the angle in degrees to radians. Express the answer as multiple of ?.87°
A. 
B. 
C. 
D. 
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Simplify using the zero-power rule.-40
A. 4 B. 1 C. 0 D. -1
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Find the midpoint of the line segment joining the points A and B.A = (-3, 1); B = (-2, -5)
A. 
B. 
C. (-5, -4)
D. (-1, 6)
Mathematics
Provide an appropriate response.You are asked to change 
to a mixed number. What should be your first step?
A. Multiply 25 and 24. B. Divide 24 by 25. C. Add 25 and 24. D. Divide 25 by 24.
Mathematics