Answer:
10 Letter B
Step-by-step explanation:
56.23 rounds down to 56 and 45.9 rounds up to 46. So 56 - 46 = 10
Answer: wheres the picture
Step-by-step explanation:
Substitution.
Here is an example.
Let x be equal to 3 and y equal to 3.

From this we can conclude that the values of both x and y are equal to three therefore x and y have the same value and are equal.

Here in your case we have:

Hope this helps.
r3t40
Answer:
80°
Explanation:
All angles inside a triangle must add up to 180°
Answer:
19
Step-by-step explanation:
49 - 20
19
hope it helps u