Answer:
The correct answer is A which is

Step-by-step explanation:
The angle of elevation from the submarine to the boat is
.
This is the angle through which an observer from the submarine will raise the head before seeing the boat.
See diagram in the attachment for illustration.
Answer:1.65,5/3,166%
Step-by-step explanation:
Answer:
You will pay $18 for a item with original price of $90 when discounted 80%. In this example, if you buy an item at $90 with 80% discount, you will pay 90 - 72 = 18 dollars.
Step-by-step explanation:
Answer:
The constant of variation is 5
Step-by-step explanation:
We know direct variation is of the form
y = kx
We know y =25 and x=5
25 = k*5
Divide each side by 5
25/5 = 5k/5
5 = k
If E=[-1,0,1,2,3,4] and F=[3,4,5,6,7,8] what is E U F?
KatRina [158]

All elements from set E and from the set F. The same elements are only once.