Which of the following could be the ratio of the length of the longer leg of a 30-60-90 triangle to the length of its hypotenuse ?

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?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

What is the solution to the division problem below x3+x2-11x+4/x+4