Many people use natural gas as a source of household heat.
natural gas contains methane (ch), which burns with oxygen
gas (0,) in air according to the equation
ch, + + 2 h,0

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

What is the solution of the systems of equations? y=2/3x+3 x=-2

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip