Plz, help! WILL give brainilest to first correct 3 Simplify using order of operations. Show all of your work and do ONE operation at a time to receive all possible points.

90÷[10+(3-3-4)]=

What is the value of x in the diagram below?

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 ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry