Solve the problem.All 30 of the students in a mathematics class attended class on Monday. On Tuesday only 19 students attended. What was the percent of decrease?
A. 42.1%
B. 63.3%
C. 36.7%
D. 57.9%
Answer: C
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Choose one of the four lines graphed which most closely resembles the graph of the given equation.y = -5x - 3
A. 
B. 
C. 
D. 
State (a) the precision, (b) the accuracy, and (c) the greatest possible error of the following measurement number.9.805 lb
A. (a) precise to the nearest hundredth, (b) 4 significant digits, (c) 0.005 lb B. (a) precise to the nearest thousandth, (b) 4 significant digits, (c) 0.0005 lb C. (a) precise to the nearest thousandth, (b) 5 significant digits, (c) 0.0005 lb D. (a) precise to the nearest hundredth, (b) 3 significant digits, (c) 0.005 lb
Provide an appropriate response.
This figure shows a circular sheet of metal with diameter of 20 inches, containing 12 equally spaced holes. Determine the distance between the center of the holes. 
A. 1.941 in. B. 7.244 in. C. 14.49 in. D. 3.882 in.
Solve the problem.The value, v, in hundreds of dollars, of Juan's computer is approximated by 
where t is the number of years since he first bought the computer. Estimate the value of the computer 2 years after it was purchased.
A. $960 B. $800 C. $900 D. $1100