Simplify the expression to a polynomial in standard form:
(2x+1)(x^2-6x+7) (2x+1)(x 2 −6x+7)

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?