The table shows the proof of the relationship between the slopes of two perpendicular lines. What is the missing statement in step 2?

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Asap! i'm not good math and i'm lost.