A circular flower bed is 20 m in diameter and has a circular sidewalk around it that is 2 m wide. Find the area of the sidewalk in square meters. Use 3.14 for it.

The floor of a building consists of 3000 tiles which are rhombus shaped and each of it's diagonals are 45 cm and 30 cm in length. find the total cost of polishing the floor, if the cost per m² is rs. 4.

The spanish club and a car wash to raise money. and equation y=5x represents the amount of money y call members made for washing ex cars. identify the constant of proportionally. then explain what it represents in this situation

When adding 43.8 to a certain number, the sum is 46.59, as seen below. what number should go in the box to complete the addition problem? the decimal 43.8 is added to an unknown whole number and 79 hundredths to equal 46.59. numerical answers expected! answer for blank 1: