Acertain casino advertises a 95% payback on its slot machines. a) what does 95% payback mean to the gambler? (you may need to research this question.) b) interpret 95% payback in terms of expected value. that is, what is the expected value of a $1 pull on the slots? c) how does this compare to choosing "19-36" or the lower row" on the roulette table?

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.°