Angles: Arcs and Angles need help thank you!!

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Which of the following is the inverse of y = 3∧x y = 1/3∧x y = ㏒3x y = (1/3) ∧x y = ㏒ 1/3∧x

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.