A truck with a mass of 400 kg is moving down the highway at a constant speed. When the driver sees a red light, the brakes are used to slow down at an acceleration of −0.7 m/s2.Using the equation F = ma, what force must the brakes exert for the truck to slow at that rate? Round your answer to the nearest whole number. The brakes must exert a force of

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Triangle xyz has vertices x(1,3), y(0,0)