### Home > MC1 > Chapter 2 > Lesson 2.2.3 > Problem 2-77

2-77.

Sketch each expression using + and signs, then find the simplified value of each expression. 2-77a HW eTool (CPM).

Use the eTool below to model the sketches and solve.

Click the link to the right to view full version. MC1 2-77 HW eTool