Answer:
He will be unable to tell whether a difference in exercise preference is related to a difference in age or to a difference in weight
Step-by-step explanation:
age could be a factor to exercise as well as weight so both affect the outcome so he has two samples
Given:
Width of rectangular backyard =
feet
Length of rectangular backyard =
feet
To find:
The perimeter of yard.
Solution:
Formula or perimeter of a rectangle is

Using this formula, the perimeter of the rectangular backyard is


Therefore, the perimeter of the rectangular backyard is
feet. So,
feet fencing is needed.
The partial product of 4.6×3.5 is 16.1.
Answer:
You have to find the gradient, gradient =vertical change ÷horizontal change
An equation shows the equal value of two expressions while an inequality shows that an expression is either less than or more than the other; an equation shows equality, inequality shows inequal