There are three source of resistance in parallel circuit. two of them are rated at 20 ohms, the other at 10 ohms. what is the circuits total resistance

Combine the information in the problem and the chart using the average balance method to solve the problem.

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

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