Can someone sub to my youttube pls, its called Yakobu, it would really help out :)

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?