To find an average you add all numbers together then divide by the amount of numbers that you added. So if there are 4 numbers you would divide by 4. By going backwards you can find the answer. Multiply 5 by 4 and you get 20, which is the answer.
The greatest common factor is 2.
Answer:
109
Step-by-step explanation:
AB = 180° ( straight line )
X = 180 - 42 - 29
= 138 - 29
= 109
Answer:
4:3
Step-by-step explanation:
You divide 8 and 6 by 2 to simplify it
1.5 is less then or equal to x which is less then or equal to 14.5