You have 11z-4/2x+10 inches of string. If the circumference of a circular tube is 8x-19/2x+10 inches, how much extra string is there to tie a knot?

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? will mark the