What is the solution to the following system of equations?
y = −x2 − 5x − 4
y = −x2 + 9x − 18

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?

On a architect's drawing of a house, 1 inche representa 1.5

Click on the y intercept. -x +4 i know you cant click on it so could you just say the coordinates like (example - (1,0) you so much.