Juan learned that gear ratio refers to the number of times one gear rotates in relation to another gear. the ratio of the gears in the picture below is 1 1/2 to 1/2 write two unit rates to represent the gear ratio above.

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?

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Which expression converts 45 degree to radians