Two cars got an oil change at the same auto shop. The shop charges customers for each quart of a fee for labor. The oil change for one car required 5 quarts of oil and cost 22.20. The oil change for the other car required 7 and cost . much is the labor fee and how much is each quart of oil?

Which formula gives the area of a triangle? a=1/2(b+h)

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Witch represents the inverse of the function f(x)=1/4x-12