In a school survey, students showed these preferences for instructional materials. Answer the question.
How many degrees are in the central angle for the "Lecture" sector?
A. 64.8°
B. 18°
C. 20°
D. 32.4°
Answer: A
Mathematics
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Provide an appropriate response.Find the number of compounding periods that correspond to a term of 7
years if the account is compounded: a. quarterly b. weekly c. monthly
A. a. 30, b. 364, c. 84 B. a. 30, b. 390, c. 90 C. a. 22.5, b. 390, c. 84 D. a. 28, b. 390, c. 90
Mathematics
Find the exact value of the expression if ? = 30°. Do not use a calculator.g(?) = cos ?Find g(2?).
A. 1
B. 
C. 
D. 
Mathematics
Simplify the polynomial by adding or subtracting, as indicated. Express your answer as a single polynomial in standard form.(5x5 - 6x4) + (3x5 - 8x4 - 9)
A. 8x5 - 14x4 - 9 B. -11x10 C. 7x5 - 3x4 - 9x D. -9x - 14x5 - 5x4
Mathematics
Graph the equation by hand.y = -2x - 1
A. 
B. 
C. 
D. 
Mathematics