In how many ways can a committee consisting of 4 faculty members and 5 students be formed if there are 12[..]

Jerry wants to purchase some items whose cost function is ,C= 3x+5 where x is the number of items. If Jerry spends[..]

On a train it took 3/4 hour to travel a distance of 52 1/2 miles. What is was the average speed of the train?

How much does it cost to run a blow drier for 15 hours in a week if the blow drier runs on 1100 watts and the[..]

the difference between two numbers is 2. if three times the larger number minus double the smaller number is 13,[..]

find the length of a rectanglular lot with a perimeter of 108 meters if the length is 8 meters more than the width.

A carpet store is having a closing sale with carpet at $11.50 per a square yard. If your living room is 180 square[..]

a pool can be filled by one pipe in 5 hours and by a second pipe in 6 hours. how long will it take to fill the pool[..]

two boys decide to share their profits from a car wash job at a ratio of 2:3. How much will each boy receive if[..]

how many years will it take for $480 to grow to $1,014.98 if invested at 5% compounded annually?