Work out the perimeter of this semicircle.
Take a to be 3.142
10 cm

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

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

How do you use the elimination method for this question? explain, because i really want to understand!