Answer:
The answer is (3x^2-2x+5)
Step-by-step explanation:

Term to be added is: + 121/4
t^2 + 11t + 121/4
(t + 11/2) (t + 11/2)
Answer:
gallons
Step-by-step explanation:
Considering she waters her plants with 25 1/2 gallons i.e 51/2
and with the new system, she does it with 19 3/4 i.e 79/4
taking the difference:
=
gallons per day
For 30 days:
30 x
= 172.5 or
gallons