Yesterday Jack drove 38 1/2 miles. He used 1 1/4 gallons of gasoline. What is the unit rate for miles per gallon?

What is (28 + 7 + 6 + 3) x 1/2 show your work

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.

Write as a product: ac^2–ad+c^3–cd–bc^2+bd