Translate the sentence to an inequality.Two times a number less than twenty-seven must be more than fifty.
A. 2x - 27 ? 50
B. 2(x - 27) ? 50
C. 2x - 27 < 50
D. 27 - 2x > 50
Answer: D
Mathematics
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Find the average velocity of an object which follows the position function s(t) over the given interval.s(t) = t2 + 2t, [4, 8]
A. 20 B. 10 C. 14 D. 7
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Simplify by writing the expression using only positive exponents.a9b-8
A. 
B. a9b8
C. 
D. 
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Simplify the expression. If the expression contains any variables, assume that they represent positive real numbers. Write your answer with only positive exponents.
1/2
A. 
B. 
C. 
D. 
Mathematics
Fill in the blank with one of the words or phrases listed below.
If both sides of an inequality are multiplied by the same negative number, the direction of the inequality symbol is 
.
A. reversed B. all real numbers C. the same D. no solution
Mathematics