Determine if the given polar coordinates represent the same point.(1, ?/4), (-1, -?/4)
A. Yes
B. No
Answer: B
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Solve the problem.A swimming pool is 23 m long and 8 m wide, with a bottom that slopes uniformly from a depth of 
at one end to a depth of 2 m at the other end (see figure). Assuming the pool is full, how much work is required to pump the water to a level 0.4 m above the top of the pool? Round to one decimal place when appropriate.
A. 5,529,813.3 J B. 5,048,960 J C. 12,983,040 J D. 10,578,773.3 J
Graph each set of numbers on the number line.-7, -5, -3, -1
A. 
B. 
C. 
D. 
Translate to an equation and solve.414.8 is 15
% of what number?
A. 272 B. 2720 C. 27,200 D. 27.2
Solve the problem.The half-life of carbon-14 is 5700 years. Find the age of a sample in which 8% of the radioactive nuclei originally present have decayed.
Fill in the blank(s) with the appropriate word(s).