Eric earns $7.50 per hour working of his paper route and $6.00 per hour mowing yards. Last week he worked 40 hours and made $282.000. How many hours did he mow yards?

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

How do i do this activity, is appreciated