Which of the following could be a horizontal cross-section of a cylinder? a. hexagon, b. triangle, c. circle, d. octagon

How many different ways can you make change for $.50 using only nickels, dimes, and quarters?

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.

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?