What is the solution to this system of linear equations? x3y3 x-3y 24 (2.7) (3, -21) (9, 0)

What is the value of the digit 1 in the number 13?

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]