What integer describes “a debit of $40” if zero represents the original balance? Explain

John makes $10.50 pers hour what expression represens how much he will make if he works h hours

Add or subtract polynomial : –12qr? +13rq?

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