Abook has a front and back cover and 100 pages. the front and back cover are each 0.8mm thick when measured to 1dp. each page is 0.15mm when measured to 2dp. what is the minimum thickness?

Simply 8x squared + 5(7x squared- x) - 2x =

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^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