Answer:
9
Step-by-step explanation:
1. You would make these to equations equal to each other because there are parellel(they have the same angel)
2. EQUAL these 2 equations together to find r.
3. SOLVING for r
7r - 5 = 6r + 4
r = 9
The general form of quadratic formula is,
(text didn't allow + and - together)
Therefore, the answer is option C
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The sum of their ages is 71+68=149
They are actually 149 years old
Answer:
what's the problem to your question?
Answer:
can u show the graph?
Step-by-step explanation:
