Dario was scuba diving at an elevation of −20 feet and then descended 20 feet more. Dario and another person scuba diving. The other person is diving at negative thirty feet.

A number line from negative fifty to fifty by tens is shown.

After the descent, what was his elevation in relation to another diver at an elevation of −30 feet. If you help me on this it would be a big help :)

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe