ON THE VERGE OF TEARS, PLS HELP Solve for ttt:
-\dfrac{7}{4}=\dfrac{2}{5}t−
4
7
​
=
5
2
​
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 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.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?