What is 3 plus 107 please help me

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.