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:

Step-by-step explanation:

Hope this helps!
Answer:5π/12
Step-by-step explanation:
180°=π
75°=x
x=75π ➗ 180
x=5π/12
The answer should be C :) in order for there to be a function, first rule is the x number cannot repeat
Answer
4+21m
Explanation
Use the distributive property 4 times 1 and 4 times 7m keep the m