There are 4 kinds of plants tulip, fern, cactus, and ficus and 4 kinds of pots clay, metal pot, and wood pot if you randomly pink the plant and pot what is the probability that you'll end up with a tulip and a plastic pot

How many days was the temperature above 90 degrees?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

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?