Which equations have the same value of x as Three-fifths (30 x minus 15) = 72? Select three options.

Find the volume of the largest rectangular box in the first octant with three faces in the coordinate planes and one vertex in the plane x + 2y + 3z = 15.

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu