Write down the equation of a line which
is parallel to y = 2x + 3 and goes through the point (0,5).

i really don’t understand this type of question

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