Which graph represents the solution set of y=x^2-4 and x+y+2=0

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Solving algebraic equations 2m+3=11

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?