Probability with questions 1, 2, 3, 4, 5 and 7 ? in advance! i appreciate your time so much!

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

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Find the missing dimension! need asap! tiny square is a =3025 in ²