Ten thousand marbles were produced on a production line the first 100 marbles off the line were taken and tested for roundness does this sampling result in a simple random sample

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1