Answer:
the answer to this is 67.5
4
Step-by-step explanation:
use pythagoeron theorem
9^2-7^2=x^2
x^2=32
x=4
A
The rule is 2x.
So 3,6,12,24,48,96,192,384,768,1536,3072,6144,12288,....
The question asked for the 12th term so 6144.
thats why its switches on my glee
3x+8=68 degrees
6x-8= 112 degrees
3x+8+6x-8=180
9x=180
x=20
3*20+8=68
6*20-8=112
