Build a variable expression for the given phrase.A number decreased by two
A. x - 2
B. 2 - x
C. x + 2
D. 
Answer: A
Mathematics
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Solve the problem. Round to the nearest tenth of a percent unless otherwise noted. Enrollment in a business seminar increased from 63 people to 83 people. What was the percent increase?
A. 31.7% B. 75.9% C. 68.3% D. 24.1%
Mathematics
Provide an appropriate response.Explain why 
= 5.
What will be an ideal response?
Mathematics
Solve the equation by completing the square.4r2 + 22r = -15
A. 
B. 
C. 
D. 
Mathematics
Add.4.2983 + 0.5502
A. 4.9485 B. 4.8385 C. 4.8475 D. 4.8485
Mathematics