Answer:
7 / 15
Step-by-step explanation:
15x - 7 = 0
15x = 7
x = 7/15
Only letter a has an answer. Pls. see attachment.<em>
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The probability that one cubic meter of discharge contains at least 8 organisms is 0.7798
The answer is (2,1). 2*2=4 and 9*1=9. 9+4=13
Permutation helps us to know the number of ways an object can be arranged in a particular manner. The correct option is D.
<h3>What are Permutation and Combination?</h3>
Permutation helps us to know the number of ways an object can be arranged in a particular manner. A permutation is denoted by 'P'.
The combination helps us to know the number of ways an object can be arranged without a particular manner. A combination is denoted by 'C'.
The example which is an example of permutation is Selecting a first-, second-, and third-place winner at baking.
Hence, the correct option is D.
Learn more about Permutation and Combination:
brainly.com/question/11732255
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