PLZ HEL GIVING BRAINLIST Match each expression to its value. 1. -1 + 2
1
2. 1 + (-2)
-3
3. -1 - 2
3
4. 1 - (-2)
-1

The triangles are similar. what is the value of x? show your work.

Average acceleration: i have no idea how to do this.

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.