Answer:
1/2
Step-by-step explanation:
.5=1/2
6-z
Z-6 would be wrong because the question said start with 6
Any portion of the circumference of a circle is called a radius
About 400 marbles. You simply set up a proportion and solve it as I did in the photo attached.
The answer is 9
You divide by 1215 by 15 and the answer is 81
Then you find the square root of 81 and the answer is 9