Answer:
48+36r³
Step-by-step explanation:
There are two pairs of like terms in this expression: 19r³ and 17r³, 44 and 4
Combining the two pairs, you get 48+36r³
Answer: 44
wasn't sure what you wanted us to answer, so I have the distance formula for you, and I worked it out.
hope these help (:
Answer: 7.615
Choice B