Answer:
B) 
Step-by-step explanation:
Technically, since the function starts at its maximum, you could say the function is
, but the answer choices all use sine instead. Therefore, we will have to use the cofunction identity
and we can see that the correct answer is B.
17.5 %. Simplify 5700000000 to 5.7 billion. 1 billion/5.7 billion = .175. Multiply by 100 for percent= 17.5%
Answer:


Step-by-step explanation:
Given: See Attachment
Required
Determine the length of the legs
To do this, we apply Pythagoras theorem.

In this case:

Open Bracket



Collect Like Terms


Solving using quadratic formula:

So:
or 
Since, x can't be negative, then:

One of the leg is:






Answer:
2x + 6
Step-by-step explanation:
2 will multiply everything inside the bracket.
2 x X =2x
2 X 3=6