(easy math question please help) find the value of x question #8

Ivan began dividing g2  – 6 by g + 1, noting that . he started by placing g in the quotient, as shown below. what is g2  – 6 divided by g + 1? g –  1 –  g + 1  – g  –  7 + g  –  5  + 

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.