Identify the type of sampling used. Thirty-five math majors, 55 music majors and 44 history majors are randomly selected from 584 math majors, 380 music majors and 496 history majors at the state university. What sampling technique is used?

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

If 20% of a number is 35, what is 50% of that number?

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?