I’ve been doing this and i don’t know if i’m doing it right. pls me find the answer

What is the 12th term of b(n)=-4-2(n-1)

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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?