Find angle ABC and how to write it down pls

Find the value of the variable and the length of each secant segment

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.

How to use order of operation in 20 divide by 4 multiply 5 = 1