Solve the problem.A circular swimming pool, 20 feet in diameter, is enclosed by a circular deck that is 5 feet wide. What is the area of the deck?
A. 392.7 ft2
B. 675.4 ft2
C. 314.2 ft2
D. 942.5 ft2
Answer: A
Mathematics
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Write as an addition problem and find the sum.Jane lost 8 pounds the first week and gained 7 pounds the second week. What was her net gain or loss?
A. 8 + -7 = 
pounds
B. 
+ 7 = -1 pounds
C. 8 + -7 = 15 pounds
D. 
+ 7 = 1 pounds
Mathematics
Solve the equation for the indicated variable.4?r2 = A for r
A. r = ± 
B. r = ± 
C. r = ± 
D. r = 2?
Mathematics
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Use the circle graph to answer the question.Last year, one family ate fast food 576 times. The circle graph shows the types of food eaten for the year. Find the number of times hamburger and fries were eaten.
A. 336 times B. 180 times C. 288 times D. 240 times
Mathematics