Match each set of vertices with the type of quadrilateral they form. A(2, 0), B(3, 2), C(6, 3), D(5, 1);
A(3, 3), B(3, 6), C(7, 6), D(7, 3);
A(-5, -3), B(-4, -1), C(-1, -1), D(0, -3);
A(2, -2), B(3, 0), C(4, -2), D(3, -4);
A(3, 3), B(2, 5), C(4, 6), D(5, 4)
a parallelogram with nonperpendicular adjacent sides;
a rectangle with noncongruent adjacent sides;
a square;
a rhombus with nonperpendicular adjacent sides.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

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?