Respuesta :
Answer:
b 48
Step-by-step explanation:
it says the sides a are 3 times larger so you are trying to find the perimeter of b so you do 144 divided by 3 since it is 3 times larger.
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Find k such that the line is tangent to the graph of the function. Function: f(x)=k-x²
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Line: y=-6x+1