Read the following statement. the figure is a triangle. what is the first step of indirectly proving this statement

The parabola opens: y=√x-4 (principal square root) up down right left

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .