What are each of these angles? (NOT IN DEGREES)

Graph y = -|x| + 2. click on the graph until the correct one appears.

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth