What are the next two terms in the sequence -9,3,-1,...?

11,7

Step-by-step explanation:

-9,3,-1,

- 9 + X = 3                     3 + X = - 1

+ 9       + 9                   - 3           - 3

  X = 12                           X = - 4

 - 1 + 12 = 11                11 + (- 4)  =  7

roots are from trees

step-by-step explanation:

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a