2b+3c^2/4a^2-2b

a=8, b=4, c=16

Answer:3.13

Step-by-step explanation:

Represent the variable with is value.

8+768/256-8

776/248

=3.129

~ 3.13

The answer is 6

Step-by-step explanation:

try to change all variable to the number below

2 (4) + 3 (16) ^2/4 (8) ^2-2 (4)

8+48^2/32^2-8

so now you can do multiplication and division first

48^2=96

96/32=3

3^2=6

After that, you put the 6 back where it belong

8+6-8=

So the Answer equal to 6