Find the derivative.r = 17 - ?8 cos ?
A. 
= 8?7 cos ? - ?8 sin ?
B. 
= 8?7 sin ?
C. 
= - 8?7 cos ? + ?8 sin ?
D. 
= 8?7 sin ? - ?8 cos ?
Answer: C
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Evaluate the integral.
A. e2t + t - 
ln
+ C
B. 2e2t - t + ln
+ C
C. 2e2t + t - 
ln
+ C
D. e2t + ln
- 
ln
+ C
Use the given data to complete the frequency table.Kevin asked some of his friends how many hours they worked during the previous week at their after-school jobs. Use the data to complete the given frequency table. 
A. 
B. 
C. 
D.
Find the equation in general form of the circle with the center at the origin and 
.
What will be an ideal response?
Solve the problem.A box with no top is to be constructed from a piece of cardboard whose width measures x cm and whose length measures 3 cm more than its width. The box is to be formed by cutting squares that measure 2 cm on each side from the four corners, and then folding up the sides. If the volume of the box will be 
what are the dimensions of the piece of cardboard?
A. 25 cm by 22 cm B. 30 cm by 22 cm C. 20 cm by 17 cm D. 23 cm by 20 cm