Which of the following relations shows a function?

A.{ (5, - 7), (6, - 7), (-8, - 1), (0, - 1) }

B.{ (4, - 1), (4, - 2), (3, - 1), (2, 4) }

C.{ (4, 5), (3, - 2), (-2, 5), (4, 7) }

D.{ (1, 4), (4, 1), (1, - 4), (-4, 1) }

Simplify the following expression: 4x - 3y + 2z - 3x - y + 3z = ?

What is 10 3/4 - 5 1/4=

Which equation represents the line that passes through and left-parenthesis 4, StartFraction 7 Over 2 right-parenthesis.? y equals negative StartFraction 5 Over 8 EndFraction x plus 6. y equals negative StartFraction 5 Over 8 EndFraction x plus 16.

Convert 17/3 into a mixed number

A computer can burn 16 CDs in 48 minutes. How many CDs cand the computer burn in 1 1/5?

Ratio of Consecutive angles of a quadrilateral is 3 : 4:5:6. Find the measure of its each angle. Write, with reason what type of a quadrilateral it is.

Simplify each fraction. 4/12 3/9 2/16 10/40 6/18 4/20 7/27 8/26

Find the sum of ninety-nine and ninety-nine hundredths and eight hundred thirty-four and one hundred eleven thousand.

The average length of time that three lawn mowers operate on a given day is 930 minutes. none of the mowers operates for less than 900 minutes. what is the greatest possible length of time any of the mowers operates

A red bird is flying at an elevation of 17 1/9 meters. A blue bird was flying at an elevation of 10 3/5