Answer:
992
Step-by-step explanation:
Answer:
11
Step-by-step explanation:
The mean is calculated as
mean = 
let the third number be x , then
= 15 ( multiply both sides by 3 to clear the fraction )
34 + x = 45 ( subtract 34 from both sides )
x = 11 ← third number
Answer:
What are you supposed to do
Step-by-step explanation:
The answer is -12x^4y^4 !