Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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?Fill in the blank to make the following number divisible by 18, and explain why: 6488__
A. ?1, because the sum of the digits must be divisible by 9. B. ?4, because the number must end in an even number. C. ?4, because the number must end in an even number and the sum of the digits must be divisible by 9. D. ?there is no number that will work. E. ?any even number that will make the sum of the digits equal to a multiple of 3.
Mathematics
Simplify.
A. 
B. -21
C. 11
D. 21
Mathematics
Solve the equation.
= 
A. -14
B. 
C. - 
D. - 7
Mathematics
Solve. The length of a rectangular frame is 5 cm more than the width. The area inside the frame is 84 square cm. Find the width of the frame.
A. 9 cm B. 7 cm C. 17 cm D. 12 cm
Mathematics