What decimal fraction is between 1.2 and 1.5

Cindy uses 1-inch cubes to find the volume of a jewelry box shaped like a rectangular prism. she uses 780 cubes to completely fill the jewelry box with no gaps or overlaps. if the jewelry box is 13 inches long and 5 inches wide, how tall is cindy’s jewelry box?

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

What term makes it inconsistent y=2x - 4