Solve the problem.Enrollment in a business seminar increased from 67 people to 87 people. What was the percent of increase?
A. 23%
B. 77%
C. 70.1%
D. 29.9%
Answer: D
Mathematics
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Determine all values for the digit x that make the first number divisible by the second number. If none exist, so state. 43x6 is divisible by 4.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.How many spanning trees does the following network have?
A. 7 B. 4 C. 5 D. 6 E. none of these
Mathematics
Find the exact value of the expression or state that it does not exist.cot 
A. 2
B. 
C. 1
D. 
Mathematics
Find the first term a1 and the common difference d of the arithmetic sequence.an = 3n + 8
A. a1 = 14, d = 11 B. a1 = 11, d = 8 C. a1 = 11, d = 3 D. a1 = 8, d = 14
Mathematics