Answer:
452.4 cm
Step-by-step explanation:
the formula for the area of a circle is A = pi r^2
To find probability, you'd have to find the total number of marbles (5+3+6+6=20), and since there are 3 blue marbles, the probability of picking one is 3 out of 20, or 3/20
If that blue marble isn't replaced, there will then be 19 marbles, and 2 blue ones. So the probability of him picking another blue marble is 2/19
84+92+87+104=367
500-367=133
He needs to plant 133 shrubs on Friday
Answer: look it up on bing
Step-by-step explanation: