Answer:6.774 gallons
Explanation: They drove 210 miles with 31 miles per gallon. So you divide 220/31=x
X=6.774 gallons
-7 because when it’s +(-) it’s always the same as the outside sign
-4 same thing explained above
-4
hope this helps
G=3
If you multiply out x+7 and x-4 you get <span>x^2+3x-28
The 3 in the above equation is like the G</span>
Step-by-step explanation:
first u find the angles and then u use some low divide the length of triangle by sin of opposite angles