I don’t really understand for question 11 to 13
Answer:
-b+3
Step-by-step explanation:
B-2b=-b
-3+6=3
Answer:
129
Step-by-step explanation:
the sum of the interior angles of a quadrilateral is 360, so you add 71+112+48 and subtract it from 360 to get x
Answer:
In standard math, the articulation has no importance, as there could be no number which, when duplicated by 0, gives a (expecting to be a ≠ 0), thus division by zero is indistinct. Since any number increased by zero will be zero, the articulation 00 is additionally unclear; when it is the type of a breaking point, it is a vague structure.
Step-by-step explanation:
