Factor the expression completely, if possible.r6 + 27t3
A. (r + 3t)(r2 - 3rt + 9t2)
B. (r - 3t)(r2 + 3rt + 9t2)
C. (r2 - 3t)(r4 + 3r2t + 9t2)
D. (r2 + 3t)(r4 - 3r2t + 9t2)
Answer: D
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Solve the problem.Consider the sample space S = {o1, o2, o3, o4}. Suppose you are given that o2 is three times as likely as o1, that o3 is three times as likely as o2, and that o4 is three times as likely as o3. Find Pr(o1).
A. 
B. 
C. 
D. 
E. none of these
Use a formula to solve the problem.The area of a trapezoid is 54 square feet. If the bases are 8 and 10 feet, find the altitude of the trapezoid.
A. 6 ft B. 1.5 ft C. 12 ft D. 3 ft
Provide an appropriate response.A common factor of the expression rs + rt is 
.
A. t B. r C. s + t D. s
Fill in the blank with one of the words or phrases listed below.
A set of all x-coordinates of a relation is called the 
of the relation.
A. domain B. slope C. solution D. range