Abookshelf in deirdre’s living room has 4 shelves. there are 12 books on each shelf. how many books are on the bookshelf altogether?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Your weight on the moon is relative to your weight on earth. neil armstrong weighed 360 lbs. in his moon gear while on the earth, but on the moon he only weighed 60 lbs. how much would a 150 lb person weigh on the moon?

Point a (7,3) is translated to a'(16,-9). which rule describes the translation?