What is the measure of angle y?

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

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached