Since you have two numbers that have a (x) at the ends of them, you add those first then add seven which will end up being 9x+7
Answer:
both A and B must be true
Step-by-step explanation:
AD is perpendicular to DC and AD is parallel to BC
I’m so sorry but I don’t have a clue! But you’ll get it eventually
It is equal to 0..... it is
Step-by-step explanation:
yes
