Bert has 4 dogs and 5 cans of dog food. How much dog food does each dog get if Bert give each dog the same amount

Triangle xyz has vertices x(1,3), y(0,0)

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

X+y=-4 x-y=2 use elimination with adding and subtraction