Arectangular flower garden in samantha back yard has 100ft around it's edge. the width of the garden is 20 feet. what is the lengt of the garden? use the numbers such as 10

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Don't know how to find x given these segment lengths

Find the area of the triangle shown 3 by 6