What is the order of 2/3, -0.6, 0.65, and 4/5 from least to greatest?

If m 17 27 90 63 ** picture is attached

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /