Roberto is building a platform for his model railroad. what is the areaof the platform

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle

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