You put a value in for r, and keep trying until they equal out, let me know if this helps, or if you need more
Answer:
9 1/2
Step-by-step explanation:
Add 2 1/2 plus 3 1/2 plus 3 1/2 to get 9 1/2.
Well she started with P. She then found 87 ADDING that to her original P meaning she has P+87 coins :)
Answer:

Step-by-step explanation:
The point slope form of a line is
where
. We write

Since the line is parallel to the line shown it will have the same slope. To find m, count the slope from each marked point on the graph. Count the rise then the run and create a fraction rise/run. The slope is 6/4 which simplifies to 3/2. Now substitute it for m.

GIRL UHH TRY USING SOCRATIC HOLD ON