Find the measure of the arc or central angle indicated. Assume that lines which appear to be diameters are actual
diameters.

Use the graph of the sine function y=2sinθ shown below

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?