If a figure is a square, than it has at least two right angles.

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315

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).