The area of rhombus efgh is 216 cm2004-05-02-04-00_files/i0370000.j pg. lh = 12 cm. find the length of 2004-05-02-04-00_files/i0370002.jpg . a. 18 cm b. 36 cm c. 54 cm d. 72 cm

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