he Select the correct answer. What is the value of x in the triangle? 45° 4 X 459 OA 4 OB. 2 OC. 472 D. 22

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