What is the size of the angle in the shaded triangle marked by the arrow

Asphere has a diameter of 10 in. what is the volume of the sphere?

Graph the equation. select integers for x

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points