Answer:
5668.3
Step-by-step explanation:
The problem can be represented as a right angled triangle as shown below.
The angle of depression is equivalent to the angle inside the triangle (alternate angles) and it is 34°.
The altitude of the balloon is 2999 feet. (opposite)
Using trigonometric function, SOHCAHTOA, we can solve this:

The pilot is 5668.3 feet far away from the house.
$2.38/0.40 lb = $5.95/1 lb
The spinach cost $5.95 per pound.
divide total miles driven by time:
105 miles / 2.5 hours = 42 miles per hour