A log is 16cm long correct to the nearest metre. It has to be cut into fence post which must be 70cm long correct to the nearest 10cm. What is the largest number of fence posts that can possibly be cut from the log.

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

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Vertical angles must check all that apply