In a scale model of a building, 1 ft represents 60 ft. the volume of the scale model is 18 ft3.
what is the volume of the building?
the roof of the scale model has a surface area of 4 ft^2. what is the surface area?

What is the probability of rolling a single die greater than 4

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Can someone me with this problem i don't understand i need