Answer:
y = - x - 5
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
here slope m = - 1 and y- intercept c = - 5, hence
y = - x - 5 ← equation of line
(5,-3) *red* i cant tell wht it says very well
the answer is 3 x 10^4 mm3