A rectangle room must have a maximum area of 84 square ft. if the room is to be 8 feet wide what is the largest room can be

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?