Each classroom donated around 320 cans(or more) of food.
320x28=8,960.
Answer:
C
Step-by-step explanation:
Because you should be subtract each other by 20x to transfer from side to another side.
Answer:
hb=4√3
Step-by-step explanation:
Given:
The given expression is:

According to Kylie,


To find:
The correct statement for Kylie's explanation.
Solution:
We have,

According to the perfect square trinomial
.


Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.
Therefore, the correct option is C.
10. acute angles: 0
Right angles: 4
Obtuse angles: 0
Perpendicular lines: 0
Parallel lines: 2
11. Acute angles: 2
Right angles: 0
Obtuse angles: 1
Perpendicular lines: 0
Parallel lines: 0
12. H