Solve the problem.The graph shows the median weight of girls between the ages of 0 and 24 months. 
Use the graph to find the average growth rate of a typical girl between ages 12 and 15 months. Give your answer in pounds per month.
A. 1.0 lb/month
B. 1.5 lb/month
C. 0.5 lb/month
D. 0.6 lb/month
Answer: D
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Write the sum without sigma notation and evaluate it.
A. 2 sin ? + 2 sin 
+ 2 sin 
+ 2 sin 
= 6 + 
B. 2 sin ? + 2 sin 
= 
C. 2 sin ? + 2 sin 
+ 2 sin 
+ 2 sin 
= 2 + 
+ 
D. 2 sin ? + 2 sin 
+ 2 sin 
+ 2 sin 
= 1 + 
Multiply by using the rule for the square of a binomial.
2
A. 121x2 + 
x + 
B. 121x2 + 2x + 
C. 121x2 + 
D. 121x2 + x + 
Provide an appropriate response.Suppose a radioactive substance has a half-life of 1000 years. What fraction will be left after 1000 years?
A. 4
B. 2
C. 
D. 
Solve the problem.An audio speaker that weighs 50 pounds hangs from the ceiling of a restaurant from two cables as shown in the figure. To two decimal places, what is the tension in the two cables? 
A. Tension in right cable: 35.90 lb; tension in left cable: 41.59 lb B. Tension in right cable: 35.90 lb; tension in left cable: 14.10 lb C. Tension in right cable: 14.10 lb; tension in left cable: 41.59 lb D. Tension in right cable: 41.59 lb; tension in left cable: 35.90 lb