A local pizza place claims that they average a delivery time of 9.77 minutes. To test this claim, you order 12 pizzas over the next month at random times on random days of the week. You calculate that the average delivery time is 8.75 minutes with a standard deviation of 1.502 minutes. You create a 90% confidence interval of (7.97, 9.53). Of those listed below, what is the best conclusion you can make

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.°