r-12
substitute in r=7
so 7-12 = -5
Answer:
use trig
Step-by-step explanation:
sin(15) = 100/x
x = 100/sin(15)
use calculator
If you mean what I think you mean then I think it is
7/12, 5/6, and then 0.75
I could be wrong though but I hope I am right good luck
Answer:
6x^2 + 8x
Step-by-step explanation:
the 2 is on top of x, so its squared
-5/2
an example of how to write it is :)