Perry observes opposite parallel wall of a room in how many lines do the planes containing the wall intersect

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

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?