Marlene is making a bracelet at Camp using 1.9 cm beads. What is the length of her bracelet if she uses 18 beads pls help i need a step by step explanation

6 adults and 9 children went.

a + c = 15

12a + 9c = 153

12(6) + 9(9) = 153

72 + 81 = 153

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

answer: the answer for that is 22/3