Perform the indicated operation. Give the answer in lowest terms.
A. 
B. 
C. 
D. 6z
Answer: D
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Find the midpoint of the line segment PQ. ? P(8, 1), Q(10, 7) ?
A. M(11, 4) B. M(14, 7) C. M(9, 3) D. M(1, 0) E. M(9, 4)
Select the correct statement and prove that the statement is true for all natural numbers n. ?
A. 
B. ?
C. ?
Solve the problem.A 100-liter mixture of chlorine and water is 4% chlorine. (i) Write a rational expression in x whose values give the percentage (in decimal form) of the mixture that is chlorine when x gallons of water are added to the mixture. (ii) Find the percentage of chlorine in the mixture if 70 gallons of water are added to it. Round to the nearest percent, if necessary.
A. (i) 
;
(ii) 149%
B. (i) 
;
(ii) 2%
C. (i) 
;
(ii) 4%
D. (i) 
;
(ii) 6%
Find the absolute value.
A. -9,793 B. 0 C. 9,793 D. 1