Answer:
C. 9.5
Step-by-step explanation:
The Pythagorean Theorem: a^2 + b^2 = c^2.
4^2 + 8.6^2 = c^2
16 + 73.96 = c^2
c^2 = 89.96
c = 9.4847....
Answer:x=(y-6)/3
f(n)=20(5)n-1
let n =6
f(6) = 20 (5) (6-1)
f(6) = 20 *5*5
f(6) = 20 * 25
f(6) = 500
