What is the equation 3x-y=5 in function form

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons

Given right triangle abc, what is the value of tan(a)?