The square below represents one whole.

What percent is represented by the shaded area?

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Find an equation for the linear function which has slope -10 and x-intercept -7

State one method by which you can recognize a perfect square trinomial.