Question

Hi. I have a big unit test tomorrow, and it's on grade 9 algebra... Help!

Answer 1

okay, whats the question?

Answer 2

what s the question

Answer 3

The area of a curved surface of a cylinder is A= 2πrh.
Find r if A= 602.88 cm2, h=12 cm + π= 3.14

Answer 4

ummmm i dont now that

Answer 5

I know, right? Confusing!

Answer 6

but i am studying it right now

Answer 7

it's just simple arithmetic.

if A = 2pi r h

then r = a/2pi h

Answer 8

That's cool. It's confusing as heck!

Answer 9

Cool. But, am i supposed to know this in grade 9?

Answer 10

you're supposed to know this in 7th grade

Answer 11

Well, i was in the Cathloic District from grade 7-8, and everything was 2 years behind...

Answer 12

umm wat the question then ..