How many edges does a complete graph of 5 vertices contain?
a. 15
b. 10
c. 120
d. 24
b. 10
Mathematics
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Evaluate the requested trigonometric function using the information given. cos ? = 
; 0 < ? < ?/2Find sec ?.
A. 
B. 6
C. -6
D. 
Mathematics
Solve.When Milo got promoted at work, he received a 20% pay raise. He now earns 
per year. What was his annual salary before his raise?
A. $62,400 B. $52,000 C. $12,480 D. $10,400
Mathematics
Solve the problem.Find the best buy. Brand X: 6 oz for $1.20 Brand Y: 8 oz for $1.76
A. Brand Y B. Not enough information C. Equal value D. Brand X
Mathematics
Fill in the blank with one of the words or phrases listed below.
The process of writing a rational expression in lowest terms is called 
.
A. least common denominator B. rational expression C. reciprocals D. simplifying
Mathematics