The length of a rectangle is ten less than twice the width. The area is 468 square units. What is the width of the rectangle?

How do you use the elimination method for this question? explain, because i really want to understand!

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.