THE HARDEST MATH PROBLEM IN THE WORLD SEE IF YOU CAN SOLVE IT :)

Which of the following lines is not parallel to the graph of y = 4x +7?

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

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.