X4=81
x4=3 to the power of 4
x=3
Answer:
16
Step-by-step explanation:
5+15-8/4=
5+15-4=
16
Answer:
n<-27
Step-by-step explanation:
you have to get n by itself, to do this divide -3 from both sides of the equations.
-3n/-3<81/-3
n<-27
the answer is n<-27
Answer:
In D
Step-by-step explanation:
in d you can place the lamp there
You have to divide both sides by 5 because it states"5t" and you should get "t=20"