Using the side lengths, determine whether the triangle is acute, obtuse, or right 16
10
12

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?

Solving algebraic equations 2m+3=11

What is the circumference of a circle with an area of 50.24 cm²?