Consider u = {x|x is a real number}.
a = {x|x € u and x + 2 > 10}
b = {x|x € u and 2x > 10}
which pair of statements is true?

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?

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm

The equation ip| = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn?