Assignment question: If Allison has a 64% in a class and she makes a 86% b on a 106 point final exam worth 15% of her grade, what would her final grade in the class be?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

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

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?