Graph the pair of parametric equations with the aid of a graphing calculator.x = 4(t - sin t), y= 4(1 - cos t), 0 ? t ? 4? 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.A bank offers a CD that pays a simple interest rate of 5%. How much must you put in this CD now in order to have $4200 to replace all the windows in your house in 8 years?
A. $2400.00 B. $1200.00 C. $120.00 D. $3000.00
Mathematics
Provide an appropriate response.Simplify: 
- 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Draw the angle having the given radian measure.
A. 
B. 
Mathematics
Solve the problem.Find the variance of the scores: 15, 15, 15, 18, 21, 21, 21. Round to tenths.
A. 9.0 B. 2.8 C. 3 D. 7.7
Mathematics