Does anyone want to help me with all of my work? I’ll cash app you $30 in the end.

What percent of 18 is 24? and plz explain thx.

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

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