The answer would be 34. The pattern looks like they are adding the sum to the next expression. So 21+5+8=34. Hope I could help!!:-)))
Answer:
9x^2+34x+21
Step-by-step explanation:
distribute all the numbers
1. -1
2. -2
3. -12
4. 7
5. -4
X=6
y=7
6+7
= 13
1/2(6) + 7
= 3 +7
=10
Answer:
BC~=AD (GIVEN )
CBA=CDA (altanate angles BC=AD)
C=A (altanate angles (BC=AD)
AAS
brainyliest please
