I think 71 is B
and 72 is D.
Answer:
-3
Step-by-step explanation:
parallel lines always have the same slope, the y-intercepts will differ
Answer:
2/7
Step-by-step explanation:
14/2=7. 4/2=2 .2/7 is the answer
Answer:
SAS theorem
Step-by-step explanation:
If
and m∠ECD = m∠BCA, then the triangles are similar by the SAS theorem.

So,
and m∠ECD = m∠BCA because vertical angles are congruent
Therefore ΔECD is similar to ΔBCA by SAS theorem
Since he’s already at -15, if he writes a check for 7 then he’s subtracting more from his account.
So, -15-7=-22