Answer:

Step-by-step explanation:

Answer:
<h3>5 th box </h3><h2>0: )</h2>
Step-by-step explanation:
Answer:
n =2
Step-by-step explanation:
2=-9n+22-n
2 = -10n +22
-20 = -10n
n = 2
Answer:
A and C
Step-by-step explanation:
ABD forms a right angle
which is congruent to BCD
ABC forms right angle
which is congruent yo ADB
Answer:
c 81
Step-by-step explanation: