Afirefighter stood on the middle rung of a ladder, spraying water on a fire. the smoke lessened, so she moved up 3 rungs. it got too hot, so she backed down 5 rungs. later, she went up 7 rungs and stayed until the fire was out. then, she climbed the remaining 4 rungs and went into the building. how many rungs does the ladder have?

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

Which of the following best describes the delian problem?