Aroom in the shape of a triangle has sides of length 7 yd, 8 yd, and 11 yd. if carpeting costs $17.50 a square yard and padding costs $3.25 a square yard, how much to the nearest dollar will it cost to carpet the room, assuming that there is no waste?

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 the distance between the point (-3,-4), and (see the picture below)

What is the equation of a line that passes through points (0, 4) and (-4,-8)?