Answer:
Step-by-step explanation:
A polygon with 7 sides is a heptagon.
Given:
number of sides = n = 7
The sum of interior angles in a polygon is given by;
Therefore, the sum of the interior angles of a polygon with 7 sides is 900 degrees.
Answer:
|-30| + |25|
Step-by-step explanation:
The helicopter is 25 ft above the ledge. The stunt actor is 30 below the edge. The distance from the helicopter to the stunt actor is the sum of the two distances, 25 + 30 = 55 ft. The correct expression must equal 55.
A. |-30| + |25| = 30 + 25 = 55
B. -30 - 25 = -55
C. -30 + 25 = -5
D. |-30| - |25| = 30 - 25 = 5
The correct expression is |-30| + |25| since it it the only expression that equals 55.
Answer:
because 4 quarters make a dollar
Step-by-step explanation:
