Factorise
X^2 - 2x - 3

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?

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

Solve the triangle. a = 21°, c = 105°, c = 5