The diagram shows a track composed of a rectangle with a semicircle on
each end. The area of the rectangle is 12,600 square meters. What is the
perimeter of the track? Use 3.14 for it.
The perimeter of the track is
(Round to the nearest tenth as needed.)

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way