Which problem can be solved with 6divided 1/2

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1