Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Rami is taking Cora out to dinner. He has $47.15 to spend. He wants to tip the server 15% of the cost of the meal. How much can he spend on the meal?
A. $40.08
B. $7.07
C. $31.43
D. $41.00
Answer: D
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Provide an appropriate response.A sample of fifty motorists was taken on a Federal highway where the speed limit was 60 miles per hour. A dot plot of their speeds is shown below. 
Describe the distribution of the data. Are there any outliers?
A. The speeds range from 46 to 70 mph. Most speeds lie between 50 and 61 mph with the most common speed being 55 mph. There don't appear to be any outliers. B. The speeds range from 45 to 70 mph. Most speeds lie between 50 and 61 mph with the most common speed being 54 mph. There don't appear to be any outliers. C. The speeds range from 46 to 70 mph. Most speeds lie between 56 and 60 mph with the most common speed being 56 mph. There don't appear to be any outliers. D. The speeds range from 46 to 69 mph. Most speeds lie between 50 and 61 mph with the most common speed being 55 mph. The speeds 65, 67, 69, and 70 mph appear to be outliers.
Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 3x
A. 
; 
2
B. 0; 
2
C. 0; 
2
D. 
; 
2
Perform the indicated operation and write the answer in lowest terms. - 
+ 
A. - 
B. - 
C. - 
D. 
Find the average of the numbers.15, 9, 13, 13, -5
A. 9 B. 8 C. 11.25 D. 7.5