X = 5.
Pythagorus Theorem:
c^2 = b^2 + a^2
(13)^2 = (12)^2 + a^2
a = sqrt((13)^2 - (12)^2))
a = 5
Answer:
1. 1.4
2. -0.3
3. 0.4
4. -3.2
Step-by-step explanation:
use the quadratic formula to find x intercepts
Answer:
7.2 or 
Step-by-step explanation:
its the right answer