What is the measure of angle y?

Yo y do yall have 2 stars that means yall wrong bro

How do you determine if an ordered pair is a solution to a given equation?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50