A plane can fly 475 miles against the wind in the same amount of time that it can fly 675 miles with the wind. If the wind speed is 40 mph, find the speed of the plane in still air.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 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 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

What is the result of adding the system of equations? 2x+y=4 3x-y=6

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5