Please help with this question. I don´t have any idea what the answere could possibly could be.

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

How many grams the dog will eat in 3 days?

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