I need help this is urgent

Write an equation of the line below

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

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 are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2