Jason placed a mirror on the ground 40 feet from the base of the tree. he walks backwards until he can see the top of the tree in the middle of the mirror. at that point jason's eyes are 6 feet above the ground and he is feet from the image in the mirror. what is the height of the tree?

The amount of energy it takes to lift a box might be a function of which of the following

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old