It takes Sarah 5 hours to complete a task and it takes Ben 4 hours to complete the same task. If Sarah and Ben work together, and Ben leaves after 2 hours, how much longer must Sarah work to complete...

A toy rocket is launched from the top of a building, 97 feet tall at an initial velocity of 201 feet per second.
A) give the function that describes the height of the rocket in terms of time...

A plane called p has the cartesian equation
4x + 2y - 2z = 7
Given that the plane separates 3D space into two parts. Find the normal vector of the plane, pointing...

1. How do I write an equation of the circle with center (-2,3) and radius 8?
2. How do I found the radius and center using the equation of a circle x^2 +...

The ratio of the number of adults to the number of students at the school dance has to be 1:10. Last year there were 477 more students than adults at the dance. If the school is expecting the same...

A tugboat pushes into a barge, exerting 8,000 N of force. The area of contact between the tugboat and the barge is 1.850 m2. What is the total pressure that the area of contact experiences...