Fiona deposited $900 in the bank over two years. she earned $60 in simple interest at the end of the two years. w what was the annual interest rate?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?