What is the greatest common factor of 20 and 30? enter your answer in the box.

225/100 of last years cost. write each fraction as a decimal and as a percent

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Simplify the expression. -2/5(10+15m-20n)