Amy is backpacking with her friends. At the base of a hill, they find the temperature to be 23.2°C. As they reach the summit situated at a height of one kilometer, they notice that the temperature has dipped to 15.5°C. If h represents the height and T represents the temperature, which of the following equations can be used to model this situation?
A. T = -7.7 - 23.2h

B. T = -7.7h + 23.2

C. T = -7.7 + 23.2h

D. T = 23.2h + 7.7

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.