What is the square root of 81?
how many degrees are there in a right angle?

In the film, zeke the zombie slayer versus the zombies from space, zeke slayed 140 zombies. in the sequel, zeke the zombie slayer versus the zombies from space, part 2, he slayed 5% more zombies. how many zombies were slain by zeke in the sequel?

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Indicate the formula for the following conditions: p^c(n, r)=