Answer:
EBC and CBF are supplementary.
EBD=66
Step-by-step explanation:
Since vertical angles are congruent, ABE=CBF
ABE=40-x
40-x + 6x-30=90
5x+10=90
5x=80
x=16
16(6)-30=66
Answer I don't know
Step-by-step explanation:
and i don't know
Answer:
Your correct, don’t overthink it buddy!
Step-by-step explanation:
4x+9y+8x-2y
12x+7y
If both integers have the same polarity (both positive or both negative), then the product will be positive.
If one integer’s polarity is different from the other (one is positive and the other is negative) then the product will be negative.