Circle B 24 inches
Circle A
Shaded region 2
Shaded region 1
1. What is the area of the square? (1 point)
2. What is the approximate area of circle A? (1 point)
3. What is the approximate area of circle B? (1 point)

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

Me because some of question i don’t understand

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?