There are 45 students in a class. The ratio of boys to girls is 2:3. How many boys are there in the class?

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 following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

∠1 and ∠2 are vertical angles. ∠2 has a measure of 63°. what is the measure of ∠1 ? enter your answer in the box.