348 car stereos were recently sold in a car audio store. 131 had a CD player, 133 had a cassette player, and 48 had both a CD and a cassette player. How many had a CD player only

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.

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

The tile along the edge of a triangular community pool needs to be replaced? ?