group of 4 students is to be chosen from a 34-member class to represent the class on the student council. How many ways can this be done? (NOTE: Order of the selection is not important.)

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?