She made an error in the STEP 1
she shouldnt multiply the numbers
Step-by-step explanation:
this is the answer in the picture
Answer:
125
Step-by-step explanation:

9.
2x+3+x+9 = 180 => 3x = 168 => x = 56;
m(<ABD) = 2*56 + 3 = 115.
Step-by-step explanation:
try adding them together that'll make sense duh lol