The area of the floor of a cubical room is 49
Find the area of 4 walls

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Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

What is another way to write the equation 2/3(x+6)=-18?

Adc is formed by reflecting abc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of adc square units. it wont let me put the picture but its a triangular pyramid thats abcd