A machine used to fill gallon-sized paint cans is regulated so that the amount of paint dispensed has a mean of 127 ounces and a standard deviation of 0.40 ounce.
You randomly select 40 cans and carefully measure the contents. The sample mean of the cans is 126.9 ounces. Does the machine need to be reset? Explain your
reasoning

Can you simplify 4/7? 24 points will be awarded!

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.

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.