How long will it take?

Car A passes Car B on the highway. Relative to Car A s movement, Car B is moving at a rate of 9 mph backward. If the speed of Car A is 68 mph, what is the speed of Car B?

A team of engineers is designing a new rover to explore the surface of Mars. Which statement describes the clearest criterion for the solution? OIt cannot stop operating during prolonged dust storms . B. It must generate data and images that inspire the public . C. It cannot cost more $150 million to build and send to Mars . D. It must be capable of sending high-resolution photos back to Earth

A chicken is traveling at a speed of 9.3 mph. How far does it get in 30 minutes?

in 3-5 senteces explain how the shape of plateary orbits affects their orbital velocity. include the proper law of planetary