What is the sum of the first 7 terms of this geometric sequence? 3, 9, 27, 81,
a. 3279
b. 2187
c. 729
d. 243

What value of x will make the triangles similar by the sss similarity theorem?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142