X = 23/2
pls give brainliest if you found my answer helpful
Answer:
f(n) = -34
Step-by-step explanation:
n = 20
f(n) = -2(20) + 6
f(n)= -40 +6
f(n) = -34
Answer:
78.1428571429
Step-by-step explanation:
Answer:135 degrees
Step-by-step explanation: Because a octagon equals 1080 and since there are eight sides you divide it by 8 and get 135