Given:
The perimeter of a backyard basketball court with four sides is 90 feet.
Two sides of the court are each 20 feet long.
One side of the court is 25 feet long.
To find:
The missing side length of the basketball court.
Solution:
Let x be the missing side length.
The three given sides of the basketball court are 20 feet, 20 feet, 25 feet.
We know that the perimeter is the sum of all sides.


The perimeter of a backyard basketball court with four sides is 90 feet.



Therefore, the missing side length is 25 feet and the correct option is B.
Answer:
The median
Step-by-step explanation:
It uses all the added numbers as one
Answer:
= 

Step-by-step explanation:
let the number be x , then :
six added to twice the sum of a number and four means :

one half of the difference of three and the number means :


combining the two , we have
= 

Answer:
46÷4 = 11.5
so tha answer is $11.50
Step-by-step explanation:
brainliest plz
The greatest common factor (GCF) of 9, 21 and 60 is: 3
Factors of 9: 1, 3, 9
Factors of 21: 1, 3, 7
Factors of 60: 1, 2, 3, 4, 5, 6
The common factors between the three numbers are 1 and 3, but since 3 is the highest number, it is considered the GCF.