From a horizontal distance of 8.5km, the angle of depression of the top and base of control tower are 30°and 40° respectively. Calculate, correct to three significant figures. I. the shortest distance between the pilot and the base.
ii. the height of the control tower

Iwill give you ! what is the measure of ∠v ?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?