Edgar wants to plot the ordered pair (1.8, -1.2) on a coordinate plane. on each axis, one grid square equals 0.1. starting at the origin, how can edgar find (1.8,-1.2)?

Ill mark the brainliest if you me with the these three questions 7,8,9

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?