Need help ASAP thanks only answer if you know please don’t answer just for points I need help

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

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The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16