In triangle ABC, the measure of the exterior angle at point B is 100°. If m∠A is 4 times larger than m∠c, FIND m∠c PLEASE

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?