Me it is due tomorrow i beg of you

i will give extra points

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 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 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Ithink i know it but i want to be sure so can you me out ?