First, let's find the area! The formula to find the area of a circle is πr²
πr²
3.14 · 4²
50.24 yds²
Now let's find the circumference. The formula for this is 2πr
2πr
2 · 3.14 · 4
25.12 yds
Hope this helps!
Answer:
100 `('-')`
Step-by-step explanation:
sorry if wrong
Answer:m is the gradient or slope
B is the intercept
Step-by-step explanation:
Answer:
When Jeff travels more than 20 miles
Step-by-step explanation:
Let 'x' be the number of miles traveled by Jeff.
In order for the national car company to be less expensive, then the following condition must be met:

This means that when Jeff travels more than 20 miles, it is cheaper to rent from the national car company.
Answer:

Step-by-step explanation:
Given

Required
Determine the proper subsets
This is calculated by:

<em>Where n is the number of elements in the set.</em>
In this case,

So:



