Abc pens sells pens in boxes of 12 their competitor xyz sells pens in boxes of 144 an office building is considering purchasing either 1000 boxes from abc pens or 100 boxes from xyz how many pens are in 1000 boxes of abc pens

An airplane consumes fuel at a constant rate while flying through clear skies, and it consumes fuel at a rate of 64 gallons per minute while flying through rain clouds. let c represent the number of minutes the plane can fly through clear skies and r represent the number of minutes the plane can fly through rain clouds without consuming all of its fuel. 56c+64r < 900056c+64r< 9000 according to the inequality, at what rate does the airplane consume fuel while flying through clear skies, and how much fuel does it have before takeoff? the airplane consumes fuel at a rate of gallons per minute while flying through clear skies, and it has gallons of fuel before takeoff. does the airplane have enough fuel to fly for 60 minutes through clear skies and 90 minutes through rain clouds?

Measures of the angle of r, 31 s (x+4) t (3x+9)

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)