An industrial psychologist working for a particular manufacturing company was concerned that one of their four plants might have consistently more worker grievances than the others. Records are kept for a month during which Plant A had 15 grievances, Plant B had 34, Plant C had 17, and Plant D had 20. What is/are the dependant and independant variable?

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.°