Answer:
-4a -14
Step-by-step explanation:
2* (-2a-7)
Distribute
2(-2a) - 2(7)
-4a -14
Number six is 4x4 there because 4x4= 16
Answer:
Triangles ABC and DCB are congruent by SAS
Step-by-step explanation:
Angle CAB is congruent to angle CDB. Side DB is congruent to side AC. Then Ab is congruent to side CD.
Answer:
The answer is (8a)+(a7)
Step-by-step explanation:
From 8(a+7) it can also be written as (8a)+(a7)