Answer: 
Step-by-step explanation:
Given
The tower is at a height of 
the angle of depression is 
Suppose the surfer is x ft away from the base of the tower
Therefore, the surfer is at a distance of 19.31 ft from the base of the tower.
Answer:
330
Step-by-step explanation:
165 times 2 equals 312. This is because you're doubling the amount of money and hours.
5 * 3 does not tell you the total number of flash cards in 5 piles because you don't know how many cards are in each pile.
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Answer:
Yes, they are equivalent.
Step-by-step explanation:
9 / 3 = 3
24 / 3 = 8
3:8 is just the simplified version of 9:24. This is due to 9:24 being divided by three, becoming 3:8.
