(HELP FAST )What is the solution to this system of equations? *

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Triangle xyz has vertices x(1,3), y(0,0)

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?