Answer:
c
Step-by-step explanation:
(x−a)(x−b)
=(x+−a)(x+−b)
=(x)(x)+(x)(−b)+(−a)(x)+(−a)(−b)
=x2−bx−ax+ab
<h2><u><em>
=ab−ax−bx+x2</em></u></h2>
Im assuming it has the same amount of air pressure so it wold take roughly double the time. So I would say 44 minutes.
(A) 1.8
The difference is 18, 13 is bc the tenth term so divide 18 by 10 to get 1.8
