Is 3x = 2y a linear equation?​

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

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

What is r i 4.5+10r=-6.5 with work pls