What is the volume of this sphere

With alll of except for the 2 that i did already

Proportions in triangles solve for x

Were only 64 seats. the remaining 6 students had to travel in a separate van. the equation 2b + 6 = 70 represents the given scenario. what does b represent? the number of buses the number of vans the number of students who rode on each bus the total number of students going to the football game