An expert in gardening tells Lela that she needs to mix two-thirds quart of sand with every 12 quarts of
potting soil.
If she needs 52 quarts of mixture in total, how much
sand should she use?

x intercept = (-1,0)   (4,0)

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: