Answers are
there are four ways to choose the committee
there are three ways to form the committee if person D must be on it
if person B and C must be on the committee, there are two ways to form the committee
Hope this helps bye bye thanks
57.29 you do 48.55 times .18 which =8.74 then add the tip with the initial cost 8.74+48.55 =57.29 to get your answer 57.29
If your question is to write it in scientific notation, it's 10^4 and the exponent is 4
Answer:
I hope this is the answer. 2x+1