If you want the angle it’s 22
In all triangles the angles must add up to 180 so 68 + 90 =158 + 22 =180
<span>-7 x (-9) = +63
because if we multiply negative by negative we obtain +</span>
Answer:
adding salt makes the water freeze slower and evaporate slower too.
Step-by-step explanation:
While pure water freezes at 0°C (32°F), salt water needs to be colder before it freezes and so it usually takes longer to freeze. The more salt in the water, the lower the freezing point.
The formula for volume is length multiplied by width multiplied by height
I hope this helps sorry if it doesn't :)
Worksheet? I need more information on this topic
