Convert the given polar coordinates of the point to rectangular coordinates.

A. (0, 4)
B. (4, 0)
C. (-4, 0)
D. (0, -4)


Answer: D

Mathematics

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Simplify the given expression. Express answer with positive exponents.

A.
B. - 7k17
C. -  
D.

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Find an equation for the line with the given properties.Perpendicular to the line y = x + 9; containing the point (4, -5)

A. y = 7x - 23
B. y = - 7x - 23
C. y = - x - 
D. y = - 7x + 23

Mathematics

Find the midpoint of the segment PQ.P(-8, -5, 4), Q(-3, -1, 1)

A.
B.
C.
D.

Mathematics

Multiply.2( + )

A. 2 + 5
B. 10 + 10
C. 2 + 5
D. 2 + 10

Mathematics