Factor completely. If the polynomial cannot be factored, say it is prime.16y2 + 72y - 40
A. (16y - 8)(y + 5)
B. 8(2y - 1)(y + 5)
C. 8(2y + 1)(y - 5)
D. prime
Answer: B
Mathematics
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Find the probability.A die is rolled 20 times and the number of twos that come up is tallied. Find the probability of getting exactly four twos. Round to the nearest thousandth when necessary.
A. 0.075 B. 0.202 C. 0.083 D. 0.101
Mathematics
Find a vector function that represents the curve of intersection of the two surfaces: the top half of the ellipsoid x²+5y²+5z²=25 and the parabolic cylinder y=x².
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Mathematics
Graph the function.y = sec 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Solve F = 
C + 32 for C
A. C = 
(F - 32)
B. C = 
(F - 32)
C. C = 
D. C = 
Mathematics