Alejandra gets paid 9 dollars per hour she works. If h is the total number of hours Alejandra works, which expression could be used to find the total pay, in dollars, that she receives?

Which expression is not a polynomial?

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

Find the arc length of the semicircle. 7the grade