Answer:
3(4y+5b)
Step-by-step explanation:
12y + 15b = (3x4y) + (3x5b) = 3(4y+5b)
142
52 4/5
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x/6 + 3 = 8
x/6 = 5
x = 30
0.912 (C) is the probability that a student who saw an increase in their grade had studied
