Courtney wants to make a circular tablecloth for the kid's table at Thanksgiving dinner. If the tablecloth must have a diameter of at least 5.5 feet, approximately how many square feet of material will Hilda use? 18 square feet, 23 square feet, 24 square feet, 95 square feet

What is another way to express 36 +32

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

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?