The front elevation side elevation and plan of a solid are all the same as shown

Acircle has a circumference of 7.850 units. what is its radius?

What rotation was applied to triangle def to create d’e’f’?

More than 450450 students traveled to a state park for a field trip. the school allowed 66 students to travel by car, and the rest traveled on 1111 buses, each of which held the same number of students. if there were ss students in each bus, which inequality best represents this situation?