The ratio of cups of sugar to gallons of lemonade is 3 cups to 2 gallons. How many cups of sugar are needed to make 15 gallons of lemonade? Set up a proportion in the work area to represent this situation.

What is the value of x in the diagram below?

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

Use sigma notation to represent the following series for 9 terms.