In a science experiment, the temperature of a substance is changed from 42 degrees Fahrenheit to - 54 at an average rate of-12 degrees Fahrenheit per hour. Over how many hours does the change take place

Yuri's sister Karina is 12 years old. In the equation below, y represents Yuri's age in years. 12 - 3y-2 Which statement accurately relates their ages? Yuri is 3 years younger than twice Karina's age.

The number of printers sold since 2003 at Mike's office supply store can be modeled by the function N (t) = 15t + 85 and the price per printer can be modeled by P (t) = 15t2-32t+126, where t is the number of years since 2003.

At 7:00 PM the temperature was 105 degrees Fahrenheit. At 10:00 PM the temperature was 8 degrees Fahrenheit lower. What was the temperature at 10:00 PM?

A square piece of fabric has an area of 595 cm2. To the nearest tenth, what is the length of 1 side of the fabric? A. 21.3 cm B. 23.2 cm C. 24.4 cm D. 25.6 cm

How does a "for every" statement show a ratio comparison? (Example of a for every statement: There a 5 strawberries for every 6 apples)

If you made 10.25. An hour how many hours would you need to work to make 8,425$

1. If you get 6/14 on a test, what percent did you get? 2. If you get 8/15 on a test, what percent did you get?

What is equal to sin 30

There are 32 student, nine of those are women, what percent are men, round to the nearest tenth?

Solve for x in the equation X2 - 10x + 25 = 35.