Answer:
Step-by-step explanation:
<CBD is congruent to <ABE by Vertical Angles
<ABC is congruent to <DBE by Vertical Angles
I think the answer is 78 because more usually mean addition so 57+21=78
Answer with explanation:
Factors of -36 are
It is given that , among the factors of , -36 , one factor is 11 less than half of the other factor.
If you will take, 
, then you can find such pairs.
Pairs are= (3,-4), (9, -1),(-1, -6),
They are able to have the same value as the negative sign is simply transferred to the inside. Either way 4 is being subtracted from 3.
