Yall i need help asap! its due in 1hr!!

1. what is the measure of ∠abc? what is the measure of ∠abd?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression