Which of the following is true about the Pythagorean Theorem?

A: The Pythagorean Theorem can be used
to determine the side lengths of any right
triangle

B: The Pythagorean Theorem can be used to
determine the side lengths of any triangle.

C: The Pythagorean Theorem can be used
to determine the angle measures of any
right triangle.

D: The Pythagorean Theorem can be used
to determine the angle measures of any
triangle.

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

We just started the introduction into circles and i have no idea how to do this.

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?