Answer:
(r-7) ÷ (6+?)
Step-by-step explanation:
I don't know what the last number is
your question :

here's the solution,
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i hope it helped you..... good luch for your English exam.....
Answer: 31/5
Step-by-step explanation:
Answer:
Step-by-step explanation:
a. scalene : Reason: all angles and sides are different measurements.
f. acute
: all the three angles are acute (Less than 90)