Triangles, squares and hexagons are the only regular shapes which tessellate by themselves. You can have other tessellations of regular shapes if you use more than one type of shape. You can even tessellate pentagons, but they won't be regular ones.
Answer:
yes
Explanation:
Many scientists say there is evidence to support the idea that dogs do, in fact, experience dreams. Researchers using an electroencephalogram (EEG) have tested canine brain wave activity during sleep. They've found that dogs are similar to humans when it comes to sleep patterns and brain wave activity.
Answer:
qualified
Explanation: just took the test on ed2020
Answer:
in Microsoft excel ctrl+F1 will hide excel ribbon.
you could also click on the ribbon display options icon on the top right corner of the window and click auto hide, should be able to hide or show the commands there.
There is enough information. You have to make an equation for each situation ( N-.59)
