Consider the series 7/9 + 7/27 + 7/81 + 7/243 + ... Which expression defines Sn?

It’s either B or D, NOT A & C

The circumference of a circle is 5 pi cm. what is the area of the circle?

Brainliest ! which of the coordinates are not of th vertices of the feasible region for the system of inequalities y≤4,,x≤5,x+y> 6 a(2,4) b(0,6) c(5,4) d(5,1)

How are sas and sss used to show that two triangles are congruent?