C
Trinomial means three parts
A and C or trinomial's but the degree on a is at three and the degree of C is a one
Total number of pieces of paper = 11
Number of pieces with a vowel = 4
Probability of picking a vowel = 4/11 (answer)
Hello,
y-1=(2-1)/(5-4)(x-4)==>x-y=5
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