Brainly plz help only three questions and don't answer for point kinda rude

Answer:
look down
Step-by-step explanation:
(8) no because 3.5*6.5=22.75 and that is over 20 square feet
(9) 34-19-7 * 17/2 = 17*17/2=144.5cm^2
(10) 4*6/2=12 so 1 can but if we are talking technical here it is 3/25
The questions are a bit broad so these might be incorrect