Julie is making a poster of the earth. she wants the earth to be a circle with a diameter of 10 inches. she wants to outline the earth with yarn. how many inches of yarn will julie need to outline the earth in her poster? (you may use π=3.14.) show your work.

The tile along the edge of a triangular community pool needs to be replaced? ?

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?

Hurry the figure shows the front side of a metal desk in the shape of a trapezoid.what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²