If <3 measures 123°, what is the measure of <4?

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

∆red ≅ ∆ by rule will give brainiest if possible