<span> The </span>associative property<span> states that you can add or multiply regardless of how the numbers are grouped. By"grouped" we mean 'how you use parenthesis'. In other words, if you are adding or multiplying it does not matter where you put the parenthesis</span>
Julio is x years old and his father is y years old:
y = 4 x
x + y ≥ 55
x + 4 x ≥ 55
An inequality is:
5 x ≥ 55
x ≥ 55 : 5
x ≥ 11
The youngest age Julio can be is 11.
Answer:
D
Step-by-step explanation:
The mean will be the very middle of the distribution, which is at 66. So we know that a and c are wrong.
The standard deviation is the distance between those bars, like 70 and 74. 74-70 = 4, so the standard deviation is probably around 4.
That means the answer is D.
Answer:
4 square units
Step-by-step explanation:
