Simplify by combining pairs of like terms.20x - 3x - 9 + 10
A. 17x + 1
B. 23x + 19
C. -17x + 1
D. 17x + 10 - 9
Answer: A
Mathematics
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Convert the improper fraction to a mixed number.
A. 
B. 288
C. 57
D. 288
Mathematics
Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. 7k3q4
B. 7q4
C. 7k3q4
D. 7k7q8
Mathematics
Solve the inequality.
? 3
A. x ? -3 B. x ? 3 C. x ? -3, x ? 3 D. -3 ? x ? 3
Mathematics
Give a geometric description of the set of points whose coordinates satisfy the given conditions.(x - 6)2 + (y - 8)2 + (z - 2)2 < 16, - 2 ? z ? 0
A. All points within the lower hemisphere centered at (6, 8, 2) B. No set of points satisfy the given relations. C. All points outside the lower hemisphere centered at (6, 8, 2) D. All points on the lower hemisphere centered at (6, 8, 2)
Mathematics