Answer:
y=-3x+7
Step-by-step explanation:
slope intercept from is y=mx+b where m is slope and b is the intercept. so far we can plug in what we know. -8=y; 5=x; and -3=m.
(-8)=(-3)(5)+b. now solve for b which would give us b=7. now we plug in m and b int y=mx+b which gives us
y=-3x+7
Answer:
see the attachments for answers
PLZ MARK AS BRAINLIEST
Area of TV screen = 15 x 20 = 300 square feet
Cost of TV screen cover = 25 cents per square foot
Cost to cover TV screen = 0.25 x 300 = $75