Arectangular box with dimensions l by w by h has a surface area of a given by a=2lw+2lh+2wh its volume v is given by v=lwh if the dimensions of the box are given as 5 feet by 3 feet by 2.5 feet what is the surface area and volume of the box

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?

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

Can someone tell me if this is perpendicular? !