Ahelicopter starting on the ground is rising directly into the air at a rate of 25 ft/s. you are running on the ground starting directly under the helicopter at a rate of 10 ft/s. find the rate of change of the distance between the helicopter and yourself (in ft/s) after 5 s.

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Which point is a solution to y s 4x + 5?