Here is the answer the app is called cymath btw
A closed circle means that value is included, and an open circle means that value is excluded.
Example:
x > 2 ---- Graphed with an open circle, everything greater than but not including 2
x ≤ 3 ------ Graphed with a closed circle, everything less than and including 3
You can use a number line to add and subtract
Answer:
21
Step-by-step explanation:
because
Answer:
Angle 1: Can be measures of triangle: 84
Cannot be angle measures of triangle: 49, 47
Angle 2: Can be measures of triangle: none
Cannot be angle measures of triangle: 50,89,50
Angle 3: Can be angle measures of triangle: 75, 15, 45
Cannot be angle measures of triangle: none
Angle 4: Can be angle measures of triangle: none
Cannot be angle measures of triangle: 25, 22, 133
