PART B ;; Write two different linear expressions that are equivalent (both expressions should be equal but not look the same and include at least one variable) and explain why they are equivalent. I'll give brainliest <3 PART C ;; (c) Show or explain why the two expressions in part (b) are equivalent

IM DOING AN ASSIGNMENT THESE ARE THE LAST TWO QUESTIONS IM STUCK ON-

Write the equation below the represents the line passing through the point (-3, -1) negative one with a slope of 4

What is the equation of the graph below? y=sec(x)-4

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21