Answer:
n = 18
Step-by-step explanation:
(2n) and (n + 18) are vertically opposite angles and are congruent, then
2n = n + 18 ( subtract n from both sides )
n = 18
Answer:
It should be 10 children in the sixth row
Step-by-step explanation:
fourth row had 12, fifth has 11 and sixth has 10 - (the pattern continues)
Answer:
96 INCHES
Step-by-step explanation:
I believe the answer is 96