Solve the problem.The weight W of an object on the Moon varies directly as the weight E on earth. A person who weighs 168 lb on earth weighs 33.6 lb on the Moon. How much would a 122-lb person weigh on the Moon?
A. 610 lb
B. 0.2 lb
C. 24.4 lb
D. 323.6 lb
Answer: C
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Use a calculator to solve the equation. Round to the nearest hundredth, if necessary.(2.20p + 3.36)2 = 10.24
A. {2.98, -0.07} B. {0.07, -0.07} C. {-0.07, -2.98} D. {1.19, -1.19}
Complete.399 ft = 
m (Round to the nearest tenth.)
A. 443.3 B. 133.0 C. 1197 D. 120.9
Solve the problem.The long jump record, in feet, at a particular school can be modeled by 
where x is the number of years since records began to be kept at the school. What is the record for the long jump 
after record started being kept? Round your answer to the nearest tenth.
A. 25.9 feet B. 26.0 feet C. 21.3 feet D. 26.1 feet
Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 + 8x + 6y + 16 = 0 
A. (h, k) = (-4, -3); r = 3
B. (h, k) = (-4, 3); r = 3
C. (h, k) = (4, 3); r = 3
D. (h, k) = (4, -3); r = 3