You cut off half of a strip of paper. then you cut off half of the piece that is left. then you cut off half of the remaining piece.

what fraction of the original strip is left?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

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

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.