Can someone help on some math questions 1. a number added to the product of five and the number
2. four more than the total of a number and nine
3. the total of seventeen times a number and twice the number
can you show the work too

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.

If i have 20$ and i gave 5$ away how much i got

Find the area of an equilateral triangle with a side of 6 inches