Volume = (pi 3.14)(r^2)(h)
(3.14)(49)(18)
(153.86)(18)
2769.48
17) 11.1
18) 21.4
19) 30.5
20) 16.5
21) 26.5
You find values of 28 that add to -11! in this case thats -7 and -4. after that just plug in (x-7)(x-4)=0 so: x=4, x=7
Step-by-step explanation:

Answer:
Step-by-step explanation:
I would say B