Answer:
-7
Step-by-step explanation:
-5 + -2 = is the same as -5 - (+2), so the answer is -7
Answer:
Step-by-step explanation:
..
Answer:
24 nickels 3 quarters
Step-by-step explanation:
195-25(3) = 120/5 = 24 nickels 3 quarters
Answer:
Two right angles = 180 degrees
Step-by-step explanation:
A right angle = 90 degrees
The sum of the interior angles of a triangle = 180 degrees
Two right angles (2 * 90) = 180
180 = 180
Therefore, the sum of the interior angles of any triangle is equal to two right angles.
Rectangle= 4 sides
Trapezoid= 4 sides
Triangle= 3 sides
hexagon= 6 sides
octagon= 8 sides
polyhedron-=10 sides i believe