Charlene bought her friends lunch. The bill came to $52.80
before Charlene added an 18% service tip. How much did she
add for the service tip?

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 your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project