Use the summation properties to evaluate the series. The following rules may be needed: 
.
A. 100
B. 80
C. 120
D. 40
Answer: A
Mathematics
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Solve the double inequality.5 < 2a + 5 ? 13
A. 0 ? a < 4 B. 0 < a < 4 C. 0 ? a ? 4 D. 0 < a ? 4
Mathematics
List the improper fractions in the group.
, 
, 
, 
, 
A. 
, 
, 
, 
, 
B. 
, 
C. 
, 
, 
D. 
, 
, 
, 
Mathematics
Find the slope of the line.3x + 5y = 16
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem.The resistance, in ohms, of a 25 foot piece of wire is given by the function 
, where d is the diameter of the wire in inches. What happens to the resistance of the wire as the diameter of the wire decreases?
A. The resistance decreases. B. The resistance increases. C. The answer cannot be determined without additional information. D. The resistance remains constant.
Mathematics