(x - 1)(x + 5) = x² + 4x – 2

Step by step if possible please

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.