What is the cost of 10.0 gallons of gasoline price at $2 and 279 cents per gallon

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

I'm confused on this could anyone me and show me what i need to do to solve it.

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?