A garden is in the shape of a rectangle 90 m by 60 m. Flowers are grown in 40% of the garden.
The rest of the garden is grass.
Work out the area of the garden that is grass.

not sure but it may be b, as i said i'm not sure.

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).