What is the value of r in: 1/7 (105+r) = 20

Jeffersonville Bank is offering it's customers a record 3.4% compound interest on new savings accounts. Mr. Kirks opens an account with $2,100. How much will his balance be after 3 years?

Shaquile oneal is 85 inches tall how many rebounds would he average per game

Concentrate 1 part. Water 5 parts. I need to make a total of 1 gal. How much concentrate and how much water 5:1 do I need?

The sum of a number and it's reciprocal is 2.9. what is the number?

To mail a first class letter, the U. S Postal Service charges $.34 for the first ounce and $.21 for each additional ounce. It cost $1.18 to mail your letter. How many ounces does your letter weigh?

True or False 68oz < 4lb 6oz

How much greater is 1 than 0.1?

Place the grouping symbols to make this equation true. 84-48/8-4=72

You earn $20.00 per hour at your job. If you get a 10% raise at the end of each year, what will your hourly rate, h, be after 8 years? Use the equation h=C (1+r) ^t, where C is the beginning hourly rate, r is the growth rate, and t is time in years.

Simplify the expression in exponential notation. 2 • a • b • a • b