Answer:
-5t^2 +2t -3
Step-by-step explanation:
Collect terms in the sum:
G+P = (3t^2 -5t +6) +(-8t^2 +7t -9) = (3-8)t^2 +(-5+7)t +(6-9)
= -5t^2 +2t -3
96
3*6=18*2=36
6*10=60*2=120
10*3=30*2=60
36+60+120=
216
18.9271 liters
i googled it
um, u gotta ask a question
