You can buy a 20 pound bag of dog food for $35. what is the cost per pound?

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

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

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅