Answer:
1 2/9 or 1.2222222222222
Step-by-step explanation:
5/9 + 4/6
= 5 * 2/9 * 2 + 4 * 3/6 * 3
= 10/18 + 12/18
= 10+12/18
=22/18
= 22 ÷ 2/18 ÷ 2
= 11/9 = 1 2/9
AB+BC+AC-12=AC+CD+AD
AB+BC-12=CD+AD
AB+BD+CD-12=CD+AD=BD
AB+BD-12=0
AB=12cm
Answer:
C is the answer! You're welcome
