Asystem of equations is given below:

y = 3x + 4
2x + 3y = 10

which of the following steps could be used to solve by substitution?

3x+ 4= 2x+3y
2x+ 3(3x+ 4)=10
2(3x+4) + 3y =10
3(y= 3x+4)

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Find the actual dimensions of the box. the side length are in meters and integers. the surface area of the box is 104 m2 and volume of the box is 60 m3.

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