A sidewalk bounds a circular playground at GeoCity Park. Parents can exercise by walking around on
the sidewalk, while watching their children play. If the inner edge of the sidewalk is 1,256.64 meters
around, approximate the amount of area of the playground inside the circular path.

Can someone me do math because i am having a breakdown rn because i don’t get it

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236