Amar works twice as fast as Akbar and Akbar works thrice as fast as Anthony. Amar works for 10 minutes alone, followed by Akbar, who works for 40 minutes alone to complete half of the work
in how many hours would Anthony complete the remaining work?
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Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)