The 100th term of 1,4,7,10

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

What is the result of adding the system of equations? 2x+y=4 3x-y=6