A circular flower bed is 16 m in diameter and has a circular sidewalk around it that is 3 m wide. Find the area of the sidewalk in square meters. Use 3.14 for pi pls help me (:

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

How much orange juice do you need to make 2 servings of lemony orange slush?

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?