Issac carter drove 312 miles in 6 hours. find his average rate of speed. whoever solves this can you give specific answer.

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

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Pls the last one and it has to be like number 6