Ray has to film the concert at the park for his neighborhood. When he arrived, he realized that it might be too windy to be able to record the
audio. What could Ray do to ensure that the weather doesn't affect the recording?
O A. use dynamic to record the vocals
OB. use a bidirectional microphone near the source
C. use a windscreen on his microphone
OD. use a boom so he can film without seeing the microphone

Write a method named addall that could be placed inside the hashintset class. this method accepts another hashintset as a parameter and adds all elements from that set into the current set, if they are not already present. for example, if a set s1 contains [1, 2, 3] and another set s2 contains [1, 7, 3, 9], the call of s1.addall(s2); would change s1 to store [1, 2, 3, 7, 9] in some order. you are allowed to call methods on your set and/or the other set. do not modify the set passed in. this method should run in o(n) time where n is the number of elements in the parameter set passed in.

When you interpret the behavior of others according to your experiences and understanding of the world your evaluation is

Me if you do then you get 10 points and brainliest