Help for a brainliest

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

What are “like terms”? why can we only add like terms?

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.