PR would be 17.72 as the hypotenuse, according to the measurements, is 17.72
The answer to the question is A
The correct answer to your question would be C, to list the the product as 2 for 6$
Use the formula slope= y-y/x-x
-10-r/-2-8= 1/10
-10-r/-10= 1/10
Multiply the denominator (-10) on both sides
-10-r= -1
Add -10 to both sides
-r= 9
r= -9
Hope this helps!