What is the area in square centimeters of 2.4 cm and 5.8 cm

If ac = 12 and ab=7 is it possible that bc =10

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 is the mean of the data set 125, 141, 213, 155, 281