How to find y intercept with 2 points word problems.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.