X: adult, y:child
(1) 8x+7y=168
(2) 14x+14y=308 -> 7x+7y= 154(divide both side by 2)
(1) -(2) ->x=$14->y=$8
Answer:
Two figures are said to be similar if they are the same shape. In more mathematical language, two figures are similar if their corresponding angles are congruent , and the ratios of the lengths of their corresponding sides are equal.
Answer:
The choice B.
Step-by-step explanation:
I hope I helped you^_^
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Thanks for the points.
It would be regular, in this case a regular polygon or pentagon.