Water with a high calcium content is considered to be hard.

What is 100% divided by 7

If Tom brushes his teeth 1/12 hour a day. how many minutes does Tom brush his teeth in 2 weeks? What units of time do you need to change to solve this problem? Write and solve equations

There are 15 boys and 16 girls in Gabriel's class. One person is chosenat random. What is the probability that the person chosen to hand out books is a girl?

Their Anywhere plan charges 20 ¢ per check whereas their Acu-checking plan costs $1.43per month plus 9¢ per check. For what number of checks per month will the Acu-checking plan cost less?

Identify the terms constants coefficient and variables in the following equation 13x+5y-2=3

What is the answer to the equation r+5/6=-3 1/6

Rearrange this equation to isolate c A=b (1/c-1/d)

Use the formula F=9/5C+32 to convert 24°c to degree F

Deluxe coffee is to be mixed with regular coffee to make at least 46 pounds of a blended coffee. The mixture must contain at least 11 pounds of deluxe coffee. Deluxe coffee costs $7 per pound and regular coffee $5 per pound.

Angie takes a loan of $1000 that has a simple interest rate of 3% annually. What is the amount of interest accrued after 2 years?