A model of a building is 30cm tall. If the building is actually 50m tall, what is the scale factor?

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart