In a school survey, students showed these preferences for instructional materials. Answer the question.
How many degrees are in the central angle for the "Computer" sector?
A. 10°
B. 64.8°
C. 129.6°
D. 36°
Answer: C
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Use the following table of values to estimate the value of 
at 
. Round your answer to two decimal places.
?
x 1 3 6 9
8 3 1 5?
A. -0.67
B. -2.00
C. 0
D. None of the above.
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x - 3)3
A. x3 - 9x2 + 15x - 27 B. x3 - 9x2 + 9x - 27 C. x3 - 9x2 + 27x - 27 D. x3 - 3x2 + 15x - 27
Simplify the expression. Assume that all variables are positive.
A. 
B. xy5
C. 
D. 
The pendulum on a grandfather clock swings from side to side once every second. If the length of the pendulum is 5 feet and the angle through which it swings is 22°, how far does the tip of the pendulum travel in 1 second? ?
A. 1.92 feet B. 1.52 feet C. 1.62 feet D. 2.12 feet E. 1.82 feet