Answer:

Step-by-step explanation:




5 seats per row is the answer....
Answer:
74°
Step-by-step explanation:
all angles of a triangle will always end up equal to 180°
68 + 38 = 106
180 - 106 = 74
Answer:
see explanation
Step-by-step explanation:
The geometric mean of 2 numbers a and b is 
The third term is the geometric mean of the first and fifth terms, that is
a₃ =
= 31.5
The second term is the geometric mean of the first and third terms, that is
a₂ =
= 10.5
The fourth term is the geometric mean of the third and fifth terms, that is
a₄ =
= 94.5
Thus the sequence is
3.5, 10.5, 31.5, 94.5, 283.5