You and four of your friends plan to stay at a bed and breakfast for two nights. the total cost of your stay is £186. you each need to pay 1/5 of the cost. your friend says this is the same as 25% of the cost. is your friend correct?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

What is the sum of these mixed numbers 4 2/3+ 3 1/9

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =