Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.
A. 
; 
B. 15; 
C. 15; 
D. 3i
; 
Answer: C
Mathematics
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Rewrite the expression with positive exponents and simplify.
?
A. ?
B. 
C. 
D. 
E. 
Mathematics
Perform the indicated operation by hand.14.6 + 14.8
A. -0.2 B. 29.5 C. 0.2 D. 29.4
Mathematics
7/15 ð 8/21 =
a. 7/35 b. 1/8 c. 15/37 d. 8/45 e. 56/336
Mathematics
Translate to a proportion and solve. What percent of 50 is 18?
A. 18% B. 160% C. 36% D. 80%
Mathematics