Solve.4z - 2 = 3z - 20
A. -22
B. 18
C. 22
D. -18
Answer: D
Mathematics
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Find the midpoint of the segment having the given endpoints.
and 
A. (100, 36)
B. 
C. 
D. (16, 0)
Mathematics
Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed: 
What is the probability that a student 3 or more siblings?
A. 0.77 B. 0.11 C. 0.12 D. 0.23
Mathematics
Find the distance d(P1, P2) between the points P1 and P2.P1 = (0.3, -0.2); P2 = (2.1, -1.3) Round to three decimal places, if necessary.
A. 14.5 B. 2.11 C. 2.21 D. 6.671
Mathematics
Rationalize the denominator. Assume that all variables represent nonnegative numbers and that the denominator is not zero.
A. 
B. -1
C. 
D. 
Mathematics