Answer:
(2x^2+3)^2
Step-by-step explanation:
See image below:)
Each can of stain covers 50 square inches.
Hence, we need 7 cans of stain to cover at least 324 square inches.
Answer:

which agrees with answer C in your list of possible answers.
Step-by-step explanation:
We can use the general point-slope form of a line of slope m and going through the point
:

which in our case, given the info on the slope (2) and the point (-1, 4) becomes:

216 degrees.
360 - 144 = 216.