I will give brainlist if you get it correct

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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