Santiago's bill for lunch at a restaurant was $79.40. He left a 20% tip. What was the amount of the tip?

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

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?

Atriangle on a coordinate plane is translated which is another way to write this rule? (x, y) - (x + 4. y - 8) (x, y) - (x -4.7-8) (x, y) - (x - 8, y + 4) (x, y) - (x + 8, y - 4)