PLzz Help NOWW Edward rewrote the product of two rational expressions to show the multiplication of the numerators and denominators. His work is shown below.

What is the product of the rational expressions?

In a column proof the right column states your reasons

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 sum of these mixed numbers 4 2/3+ 3 1/9