The function for the cost of materials to make a hat is f(x) = one half x + 1, where x is the number of hats. the function for the selling price of those hats is g(f( where g(x) = x + 2. find the selling price of 10 hats.

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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)