Add the integers.-24 + (-3) + (-17) + (-2)

A. 8
B. 2
C. -46
D. 36


Answer: C

Mathematics

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Find all real numbers in the interval [0, 2?) that satisfy the equation.cos2x + 2 cos x + 1 = 0

A.
B.
C.
D.

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Perform the indicated operation and simplify. Write the answer in the form a + bi.2i ? 11i

A. 22 B. -22 C. -22i D. 22i

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Solve the problem.The revenue achieved by selling x graphing calculators is figured to be  The cost of each calculator is  How many graphing calculators must be sold to make a profit (revenue - cost) of at least $492.80?

A. {x?46 < x < 54} B. {x?44 < x < 56} C. {x?19 < x < 31} D. {x?45 < x < 43}

Mathematics

Find an equation for the line with the given properties.The solid line L contains the point (4, 1) and is perpendicular to the dotted line whose equation is  Give the equation of line L in slope-intercept form.

A. y = x + 3
B. y = - x + 3
C. y - 1 = - (x - 4)
D. y - 1 = 2(x - 4)

Mathematics