Which expression has a value of 8? a. (4 + 4) ÷ (4 • 4) b. 4 + 4 ÷ (4 • 4) c. 4 + (4 ÷ 4) • 4

Are the corresponding angles congruent? explain why or why not.

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.