Answer:
r=5.73248408
Step-by-step explanation:
C=πd
36=3.14d
36/3.14
d=11.4649682
r=5.73248408
Answer:
Helena needs 2 ¹/₂ cups water and 1 ¹/₄ cups vinegar for a half batch. She needs 10 cups of water and 5 cups of vinegar for a double batch.

So approximately 14.5% of the scores are higher than 600. This means in a sample of 7500, one could expect to see

scores above 600.