You finally have holiday shopping money you put $2.00 away in january, $4.00 away in february, $8.00 away in march, $16.00 away in april and followed this savings pattern through to december how much money do you have to shop with

What is the difference between regular convex and concave polygons

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?