Plot the point in a polar coordinate system.

A.

B.

C.

D.


Answer: A

Mathematics

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Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered triple. 6x + 7y - z = 76  x + 7y - 3z = 19-7x + y + z = -53

A. (-9, 6, 4) B. (9, 4, 6) C. (9, 6, 4) D. (-9, 4, 18)

Mathematics

Find the indicated term for the geometric sequence., . . . ; a9

A.
B.
C.
D.

Mathematics

Solve the problem.One side of a rectangle is 5 inches and the other side is x inches. What values of x will make the perimeter at least 38?

A. x < 14 B. x ? 14 C. 0 < x ? 14 D. x ? 14

Mathematics

Solve the problem.The diagram shows the roads connecting four cities.WXYZHow many ways are there to travel between cities W and Y by passing through exactly two cities? (Hint: Write a matrix, A, to represent the number of routes between each pair of cities without passing through another city. Then calculate A2 and A3).

A. 16 B. 14 C. 15 D. 13

Mathematics