How do you find the percent of decrease

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

What is the period of the sinusoidal function ?