Answer:

Step-by-step explanation:
(
)
Multiply
by each term in the parentheses.
+ 
Now, all you have to do is simplify.

Answer:
The sum of the interior angle is 108°
Step-by-step explanation:
To find the sum of the interior angle, you need this equation:
(The variable
represents the number of sides does a shape have).
-Count the sides of the shape:
The following polygon shown, has 5 sides.
-After you have the number of sides of the polygon, use the number of sides for the equation and it will be written as:

-Then, you solve:



So, the sum of the interior angle is
.
Answer:
Ответ - 15.
Step-by-step explanation:
Путешественники добирались до города на разных транспортах. Чтобы найти общее время, пройденное этими людьми, если 15. Добавьте 3 к 7, а затем прибавьте к нему 5.