Audrey was given a gift card for a coffee shop. Each morning, Audrey uses the card to buy one cup of coffee. Each cup of coffee costs $2.50 and after buying 2 cups of coffee, the card had a $45 remaining balance. Write an equation for A, A, in terms of x, x, representing the amount money remaining on the card after buying xx cups of coffee.

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?

Write a corresponding real world problem to represent 2x - 125=400

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.