In the reaction C + 02 turns into CO2, 18 g of carbon react with oxygen to produce 72 g of carbon dioxide what mass of oxygen would be needed in the reaction?
18g
54g
72g
90g

Rick is driving to his uncles house in greenville, which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

Maria solved an equation as shown below. what is the solution to maria’s equation?