circumference and the area of circle with radius 9 find person to set your answer correct to one decimal place take pi as 3.142​

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)

You draw a card at random from a deck that contains 33 black cards and 77 red cards.