Create four equivalent ratios 2 by scaling up and 2 scaling down using the ratio 30 to 80

A cpr instructor is preparing a 10% bleach solution to clean the CPR manikins. How many milliters of distilled water should the instructor use to prepare 100 ml of bleach solution?

Greatest common factor 26

A Television nanufacture sells 21 of TV model at$299 each, 13 of TV Model B at $549 each and 8 of TV Model C at $619 each. Find tge average price per TV Sold.

The variable Z is directly proportional to X. When X is 3, Z has the value 18. What is the value of Z when X=13

Coach Taylor wants to know the total practice time if he has the players warm up for 15 min

the temperature at dawn was - 2°F during the day the temperature increased 15 degrees and then dropped 10 degrees in the evening

The least common denominator of 1/2, 1/6, and 1/9 is:

Shirley wants to buy a skateboard for $64. She has $98 in her account. She spends $10.85 to buy stationary. She also wants to buy some cookies for $1.65 each.

What is the answer to - 28 + 38

The probability that a battery will last 10 hr or more is 0.9, and the probability that it will last 15 hr or more is 0.11. Given that a battery has lasted 10 hr, find the probability that it will last 15 hr or more.