Answer:
4
Step-by-step explanation:
8(1)^2 -5(1) +1
8(1) -5(1) +1
8 -5 +1
4
Answer:
the constant of proportionality would be 9
Answer:
3x-10=x+4
Step-by-step explanation:
Answer:
Step-by-step explanation:

D (2 and 4), vertical angles oppose eachother, and are always congruent (identical).