-2x-y=-9
5x-2y=18
substitution

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1