Brainliest for whoever gets the question WRONG best what is a toothpick :D

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?