Amp is the number in front of sine so its 1/2 aka D :)
It is 31%.
To explain, you have to just have to multiply 0.31 by 100, and then add a percentage sign.
Answer:
is there supposed to be a picture with it? i can't solve it without more information. sorry
What do you mean by without calculating?
Answer:
43
Step-by-step explanation:
7 goes into 301 43 times