Factorizar\:numerador y denominador\:\lim _{x\to \:\:-1}\left(\frac{x^3+1}{x^2-x-2}\ right)\:

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?