Simplify the following expression:
4 + b ( 12 - 3 ) - 2b

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

The image of abc after a reflection across eg is abc