Answer:
5
Step-by-step explanation:
because it is asking what minus 9 is equal to -4
<em>If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).</em>
<em>If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).</em>
81.1<u>3</u>9 ≈ <u>81.1</u>
All good and for number 6 you should draw an acute angle
The middle right is 145-90, so 55°. I'm not sure about the others
Answer:
3
Step-by-step explanation:
