Solve the problem.If a computer prints 156 lines in 4 seconds, how many lines can it print per minute?

A. 2350 lines
B. 1170 lines
C. 2345 lines
D. 2340 lines


Answer: D

Mathematics

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Find the exact value of the expression.cot-1 

A.
B.
C.
D.

Mathematics

Use Descartes' Rule of Signs and the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 5x4 - 9x3 + 14x2 - 18x + 8

A. -2, -1, 1, - ; f(x) = (x - 1)(5x + 4)(x + 1)(x + 2)
B. 2, ; f(x) = (x - 2)(5x - 4)(x2  + 1)
C. 1, ; f(x) = (x - 1)(5x - 4)(x2 + 2)
D. -2, -1, 1, ; f(x) = (x - 1)(5x - 4)(x + 1)(x + 2)

Mathematics

Solve the problem.The earth, Jupiter, Saturn, and Neptune all revolve around the sun. The earth takes 1 year, Jupiter approximately 12 years, Saturn approximately 30 years, and Neptune approximately 165 years to make a complete revolution. How often will Jupiter, Saturn, and Neptune appear in the same direction in the night sky as seen from earth?[Hint: Find the LCM of 12, 30, and 165]

A. Every 330 years B. Every 1980 years C. Every 660 years D. Every 3300 years

Mathematics

Find the vertex of the graph of the given equation.f(x) = -2x2 - 4x - 9

A. (2, -25) B. (1, -15) C. (-1, -7) D. (-2, -13)

Mathematics