Alex wanted to understand whether grade level had any relationship to their opinion on
extending the school day. She surveyed some students and displayed the results in the
table below:
In favor Opposed Undecided
Grade 9
5
Grade 10 8
Grade 11 | 15
Grade 12 12
Compare P(Grade 12 opposed) with Plopposed Grade 12). (1 point)
OP(Grade 12 opposed) - Popposed Grade 12)
OP(Grade 12 | opposed) > P(opposed Grade 12)
P(Grade 12 opposed) < Plopposed Grade 12)
There is not enough information.

the answer is d

step-by-step explanation:

∞ this is your sign

you probably already have the answer but anyways it's b. 15.0

step-by-step explanation:

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this