Twenty-one people in a room have an average height of 5 feet 6 inches. a 22nd person enters the room. how tall would he have to be to raise the average height by 1 inch?

Tickets to a concert cost either $12 or $15. A total of 300 tickets were sold, and the total receipts were $4140. How many of each kind of ticket were sold?

Drug A has a concentration of 475 mg/10 mL. How many grams are in 100 mL of Drug A? (Round to the nearest tenth if applicable).

Solve for x 6x - (2x-3) = 2 (2x-2)

regina charges c dollars per hour to babysit. if she increases her rate by 15%, which expression represents her new rate, in dollars per hour?

Which one of these statements is correct? A: once you have a good attitude, it will always be good B: A worm out attitude can't be rebuilt C: positive attitudes can be renewed D:there's nothing you can do to control your attitude, Answer is C

Find the 5th term in the expansion of (x+3) ^9

List 2 numbers between 5.2 and 5.03

Describes how geometric figures of the same shape are related to one another.

F (x) = 1/x shifts up 12 units and right 7 units What is the equation

If a human runs at 27miles per hour. how many miles per minute did the human run?