Find the domain of the function. F(x)=x + 6/x3 - x2 - 9x + 9
What is the domain of f?
(Type your answer in interval notation.)

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?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.