Subtract.- 
- 
A. - 
B. - 
C. 
D. - 1
Answer: A
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Write the phrase as a mathematical expression. Use x as the variable.One-third of a number added to the difference of the number and four
A. 
B. 
C. 
x + (4 - x) or (4 - x) + 
x
D. 
x + (x - 4) or (x - 4) + 
x
Provide an appropriate response.Find the average and round to the same place value as that used in the problem. In a certain state, the average bi-monthly precipitation last year measured in inches: 6.12, 14.22, 15.03, 8.62, 3.94, 8.92.
A. 9.40 inches B. 9.50 inches C. 9.475 inches D. 9.48 inches
Multiply.(4s + 4)(5s3 - 4s2 + 2s - 4)
A. 20s4 - 32s3 - 8s2 - 8s - 16 B. 20s4 + 4s3 - 8s2 - 8s - 16 C. 20s4 + 4s3 + 16s2 - 8s - 16 D. 20s4 + 4s3 - 8s2 - 16s - 16
Solve the problem.DG's Plumbing and Heating charges $50 plus $70 per hour for emergency service. Bill remembers being billed just over $300 for an emergency call. How long to the nearest hour was the plumber at Bill's house?
A. 4 hours B. 15 hours C. 5 hours D. 13 hours