Evaluate the sum.
A. 5
B. -7
C. -21
D. -15
Answer: D
Mathematics
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Solve the problem.Mark takes a bank loan of $2400 to start up a business at an annual interest rate of 7%. How much will he have to repay in 4 months?
A. $3200 B. $2624 C. $3400 D. $2456
Mathematics
Find the modulo class to which the number belongs for the given modulo system.87, mod 9
A. 5 B. 3 C. 7 D. 6
Mathematics
Write the percent as a fraction or mixed number in simplest form.16
%
A. 
B. 1675
C. 8
D. 167
Mathematics
Convert the improper fraction into a mixed number in lowest terms.- 
A. 1
B. -2
C. -1
D. 2
Mathematics