Please help with this i need to know what it is

Rosa makes a small flower garden outside the clubhouse the area of the garden is 851 square meters if the length of the garden is 23 m what is the width of the garden

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

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.