Solve cos x + = -cos x for x over the interval .

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.

What is the surface area of a cube with the volume of 729 ft?