An isosceles triangle has vertices at (-5, 4), (2, 4) and (-1.5, -3.5). each of its two congruent sides are 8.3 units long. calculate both the area and perimeter of the triangle. explain or show you got your answers

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.