Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest whole number.A cone with height 3 in. and radius 7 in.
A. 44 in.3
B. 154 in.3
C. 231 in.3
D. 308 in.3
Answer: B
Mathematics
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Find the equation of the line specified.The slope is 2, and it passes through (1, 3).
A. y = 2x + 5 B. y = 4x + 1 C. y = 2x + 1 D. y = 2x + 3
Mathematics
Completely factor the polynomial or state that the polynomial is prime.x4 + 4x2 - 21
A. (x2 + 3)(x2 + 7) B. prime C. (x2 + 3)(x2 + 1) D. (x2 - 3)(x2 + 7)
Mathematics
Find the equation of a line with the given slope and y-intercept.Slope 
, y-intercept (0, -5)
A. y = - 
x + 5
B. y = - 
x - 5
C. y = 
x + 5
D. y = 
x - 5
Mathematics
Simplify.
A. -2 B. 2 C. 1 D. undefined
Mathematics