Reggie has enough flour to last for 40 days. if he increases his use of flour by 25%, however, how many days' worth of flour will he have?
a: 30 days
b: 28 days
c: 32 days
d: 48 days

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 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.

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.