Answer:
28
Step-by-step explanation:
when x = 7,
Substituting value of x in the given equation,
x(x-3)
=> 7(7-3)
=> 7(4)
=> 28
The area of Erin's circle to the nearest hundredth is 50.24 in².
<h3>What is the area of the circle?
</h3>
A circle is a bounded figure which points from its center to its circumference is equidistant.
Area of a circle = πr²
Where :
3.14 X 4²
(3.14) (4) (4) = 50.24 in²
To learn more about the area of a circle, please check: brainly.com/question/14351152
#SPJ1
Answer:
30.1056
Step-by-step explanation:
dude just multiply it
duh.... ☠
It is .21 or 21 cents for each pound.