Answer: C
Step-by-step explanation: Hope this help :D
Well I don't remember the equation with all the numbrical stuff but if you times 5 and 5 than times 4 and 5 which is 25 and 20 take 20 away from 25 and you have your answer hope it helps
70.6179 and something something i think but am more than happy to answer
2/3 is the answer in lowest terms. i hope this helps!