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Answer:
7/12
Step-by-step explanation:
1/3 + 1/4
We want a common denominator of 12
1/3 *4/4 + 1/4 *3/3
4/12 + 3/12
7/12
Answer:

Step-by-step explanation:
#Using the method of substitution and replacement of unknown values.
Given that

Express eqtn (ii) in terms of x

Replacing for x in eqtn (i)

Substitute y value in eqtn(ii) to obtain x

I’m pretty sure it’s 3rd one
Answer:
what statements?
Step-by-step explanation: