Find area of figure. Round to the nearest hundredth if necessary.
A. 35 ft2
B. 108 ft2
C. 81 ft2
D. 216 ft2
Answer: B
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Find the length of the curve.The cardioid r = 7(1 + sin ?)
A. 
B. 
?
C. 56
D. 56?
Solve the problem.Alex has saved $805 at the bank. He wants to accumulate $1750 for a trip to soccer camp. What percent of his goal has been reached?
A. 2% B. 20% C. 0.46% D. 46%
Solve the problem.After being struck with a hammer, a gong vibrates 27 vibrations in the first second and in each second thereafter makes 
as many vibrations as in the previous second. Find how many vibrations the gong makes before it stops vibrating.
A. 108 vibrations B. 31 vibrations C. 36 vibrations D. 118 vibrations
Perform the indicated operation and simplify. Write the answer in the form a + bi.(7 - 6i) + (4 - 4i)
A. 11 - 2i B. -11 - 10i C. 11 - 10i D. 11 + 10i