4y-5x = 9

x - 4y = 11

Four times a number minus 6 is greater than eight plus two times the number

Seven of the apple computers have specialized movie editing software. Approximately what percent of the apple computers can be used for editing movies?

Paul plans to put concrete on a rectangular portion of his driveway. The portion is 12 feet long and 6 inches high. The price of concrete is $98 per cubic yard. The total cost of the concrete Paul needs is $108.89.

What is the solution to this equation? 3 (d+2) - 12=d-2 A) d = 2 B) d = 4 C) d = 8 D) d = 10

Factor out the greatest common factor. 2xy - 12y + 6wy

Marci mailed nine letters at the post office. Each letter weighed 3.5 ounces. What was the total weight of the letters

1/3 (12 - 24v) = - 2 (4v - 2)

Casey spends $50 a week on entertainment. Kelly spends 10% less than Casey and Megan spends $5 less than Kelly. Which expression represents how much Megan spends? (w represents weeks) A) 35w B) 40w C) 45w D) 55w

Find the mean, median, and mode of the data. 12, 13, 40, 95, 88, 7, 95 mean is 50. median is 40. mode is 95. what measure best represents the data? -mean -median -mode

d. Is the statement "Two fundamental questions about a linear system involve existence and uniqueness" true or false? Explain.