Answer:
the height is about 12
Step-by-step explanation:
plug into the equation
X - the number of plants in 8 in pots
y - the number of plants in 10 in pots

4 plants in 8 in pots and 2 in 10 in pots.
Is there supposed to be an attached image for us to see?
Answer:
Point (2, 20) does not lie on the given curve.
Step-by-step explanation:
Let us see explanation:

Work from the left to right.
add 1/4 and 1/2 which would give you 3/4
then subtract 3/4 from both sides of the equal sign witch would give you
x=-3/2