You use variables for the equation and after you find out the variables you set them equal to each other and see if they are equal
Answer:
Radius=4yd
Step-by-step explanation:
Answer is c I took the test
Answer: yes
Step-by-step explanation:
Variance to be zero: only one condition that ll the values or measurements of variable must be same.
variance = summation of (x - a)²
where is x is each data value in the collection
a is average of all data in the collection.
Summation of squares is zero implies that each square is zero.
each x -a must be 0.