Solve the problem.The graph below shows the number of tuberculosis deaths in the United States from 1989 to 1998.
Estimate the average rate of change in tuberculosis deaths from 1991 to 1996.
A. About -60 deaths per year
B. About -.9 deaths per year
C. About -100 deaths per year
D. About -500 deaths per year
Answer: C
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Write the following as an algebraic expression in u, u > 0.cos(tan-1 u)
A. 
B. u
C. 
D. 
Factor completely. If unfactorable, indicate that the polynomial is prime.x2 - 8x + 64
A. prime B. (x + 8)(x - 8) C. (x - 8)2 D. (x + 8)2
Solve. Write a mixed numeral for the answer.Brian was training to run a marathon. During the three-day period before the race he decided that he would train for a total of 12 hours. If he trained for 3
hours on the first day and 1
hours on the second day, how many hours would he need to train on the third day?
A. 6
hr
B. 6
hr
C. 7
hr
D. 6
hr
Provide an appropriate response.2x - 5 = 5 + 7x - 3Is this a linear equation?
A. Yes B. No