Using only addition, and subtraction and just 3 operation signs, write an expression that equals 100 using the digits shown. do not change the order of the digits. 123456789

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Hi my sisters and brothers can tell me the answer because i don’t understand the question

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²