B 0.8 because the probability of rainy days 0.2 then the probability of sunny days is 0.8
80% of 20 is 80/100 x 20 = 16
So, kelly has used 16 stamps, and has 4 left
Answer:
step three is wrong
Step-by-step explanation:
just did it
Move the decimal point to the right one place value.
1.7 x 10 = 17
17 is your answer
hope this helps
The idea is to pair up the terms, factor each sub-group, and then pull out the overall GCF to fully factor.
x^3+5x^2-6x-30
(x^3+5x^2)+(-6x-30)
x^2(x+5)+(-6x-30)
x^2(x+5)-6(x+5)
(x^2-6)(x+5)
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Answer: (x^2-6)(x+5)