Answer:
r = 6cm
Step-by-step explanation:
Solve for r:
x=4
|2x + 5| = 13
-5 -5
|2x| = 8
2x/2 8/2
|x| = 4
Step by step explanation:
It's contingency, because for some values of p and q it's true, and for the other values, it's false.