Maybe you should work on starting you're sentences.
(0.75 * 3.5a) + (0.75 * -6b) = 2.63a -4.5b
Answer:
Interior angles im pretty sure
d^2+35+109=180
d=6
HOPE THIS HELPS
-Todo <3
Step-by-step explanation:
d^2+35+109=180
144+d^2=180
-144 -144
36=d^2
d=6