Express the angular speed in radians per second.420 revolutions per second
A. 420 radians per second
B. 840? radians per second
C. 840 radians per second
D. 420? radians per second
Answer: B
Mathematics
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k
A. 
B. 
C. 
D. 0
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Fill in the blank with one of the words or phrases listed below. 
The 
of a list of numbers is 
.
A. average B. equation C. solution D. expression
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Factor out the largest common factor.4x(5x - 2) + 3(5x - 2)
A. (20x - 3)(x + 2) B. (20x + 3)(x - 2) C. (5x - 2)(4x + 3) D. (5x + 2)(4x - 3)
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Find the sum of the arithmetic sequence.{-5n - 7}, n = 28
A. -2044 B. -2156 C. -2142 D. -2226
Mathematics