Colton bought a pair of sunglasses online for $69. He used a coupon code to get a 30% discount. The website also applied a 20% processing fee to the price after the discount. Colton's sunglasses were less than the original price by what percent? Round to the nearest whole number.

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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.