What are the ordered pairs are the solutions for the following system of equations??

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.

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective