To rent a certain meeting room, a college charges a reservation fee of $42 and an additional fee of $7.70 per hour. the math club wants to spend less than $80.50 on renting the meeting room.
what are the possible amounts of time for which they could rent the meeting room?
use t for the number of hours the meeting room is rented, and solve your inequality for t .

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Given the median qr and trapezoid mnpo what is the value of x?

The hockey team has been great! in 2008 they won 20% more games than in 2007. in 2009 they won 50% more games than in 2008. what was their overall percentage increase from 2007 through 2009?