Answer:

Step-by-step explanation:
This is just a big multiplication, but it gets more simple when you break it into steps.
First consider
. This multiplies out to 
Next,
. This is 
Finally,
. This is 
Sum these three expressions together and you get 
Answer:
ANSWER
c. 3
EXPLANATION
The given function is
This trigonometric sine function is of the form:
The amplitude of this function is given by |A|
When we compare to the given function,
A=-3.
The amplitude is |-3|=3
The correct choice is C
You divide the top number by the bottom number.
1/9 would be 1 divided by 9 and would equal .0.1111111111...
Answer:
a
Step-by-step explanation:
First convert 3/5 to a percentage.
3/5 is 60% and 20% of the students chose Hulk. That leaves 20% who chose Iron Man. The simplest form of 60:20:20 is 6:2:2.