A thermometer reading 18° F is brought into a room the temperature of which is 70° F. One minute later, the thermometer reading is 31° F. Determine the temperature reading as a function of time, and in particular find the temperature reading 5 minutes after the thermometer is first brought into the room.

A car is initially located 40 km North of a truck. The car then begins to travel North at 20 km/h, while at the same time, the truck travels due West at 30 km/h. After travelling for 2 hours , the distance between the two vehicles is 11. A. decreasing at 26 km/h B. increasing at 26 km/h C. decreasing at 34 km/h D. increasing at 34 km/h

A radar gun recorded the speed of an arrow as it was shot off of a cliff.  Here is the information…                                                 time                 speed                                                 0 seconds        200                                                 1                      168                                                 2                      136                                                 3                      104   It was recorded that the speed of the arrow when it hit the ground was -210.88 feet per second.  Use all of this information to determine the initial height that the arrow was shot from

The question has different steps. Please indicate each step's answer and draw a circle around the answer. If you write by hand, write clearly so that I can understand. Please answer the question, I appreciate you.