When 334 college students are randomly selected and surveyed, it is found that 103 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car.

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly