Toni ran 4/5 mile in 1/5 hour. Write an equation for the distance in miles y that she ran in x hours if she ran at a constant rate.

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years