There are 9 people swimming in a race. Prizes will be given for first, second, third, and fourth places. How many different ways can the prizes be awarded?

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

Nine more than four times a number is the same as one less than twice the number. find the number?

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.