Part 3. Identify the vertex, focus, and directrix of each. Then sketch the graph.

1. x = -1/2(y -5)^2 - 1

2. y = 1/3(x + 4)^2 -1

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.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?