Eric had 2 liters of water. he gave o.42 liter to his friend and then drank 0.32 liter. how much water does he have left

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.