Answer:
A. 12
Step-by-step explanation:
use pemdas
4^4=16
20+8=28
28-16=12
Answer:
3x-5y=-15
Step-by-step explanation:
Answer:
65.21739130434783
Step-by-step explanation:
R^4-2(r-14)>0
r^4-2r+28>0
r^4-2r+28=0
There is no real solution but there is all real numbers
:)