PLEASE HELP!! 50 POINTS!
Answer the question in the picture.

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

Explain how you would construct a perpendicular bisector of wx using a compass and a straightedge. (13 points)

Which graph represents the probability distribution for a randomly selected student?