First to answer gets brainliest

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

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