Answer:
a
Step-by-step explanation:
80% of 80 is 64. Hope this helps:)
Fundamental principle of counting
Answer: The price of item is $495.
Step-by-step explanation:
Since we have given that
Amount that Sara have = $90
Amount that Rachel have = $405
If they combine their money they will have enough to buy item.
So, Price of item would be
Amount that Sara have + Amount that Rachel have

Hence, the price of item is $495.
Answer:
All squares are rectangles. Rectangles have 4 right angles. Therefore, all squares have 4 right angles.
Step-by-step explanation:
The old math saying: "Every square is a rectangle, but not all rectangles are squares."
What makes a rectangle a rectangle is that it has four right angles.
A square also has four right angles. Therefore, a square is a type of rectangle.
<h3>What makes the other answers wrong:</h3>
A rectangle does not have equal lengths on all four sides like a square does.
A square MUST have four right angles for it to be a square.
<em>Brainiliest Appreciated. </em>