Answer:
The value of the expression is 400
Answer:
i don't know the answer BUT you can go to khan academy or tutor.com. Both can help :) good luck btw
Step-by-step explanation:
Answer: z < 4
z+4 > 2z
z+4-z > 2z-z ..... Subtract z from both sides
4 > z
z < 4
So the solution set for z is any number that is less than 4, which could be something like z = 2 or z = 3.
Answer:
-2
Step-by-step explanation: