Ican finish the problems in one chapter of my physics book in 8 hours. suppose that the problems in each chapter take the same amount of time to solve, and that there are 30 chapters. how many people working together at the same rate as me would it take to finish the whole book in one day?

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.