C
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The education is (x-h)^2 + k ands the vertex is (h,k)
The dog food food will last for 16 days
16x8=128
Answer:
6:1
Step-by-step explanation:
Answer:
0.4
Step-by-step explanation:
Given
60 % wear neither ring nor a necklace
20 % wear a ring
30 % wear necklace
This question can be Solved by using Venn diagram
If one person is choosen randomly among the given student the probability that this student is wearing a ring or necklace is


The sum of probabilty is equal to 1 because it completes the set
Therefore the required probabilty is 0.4