Triangles that have all sides and angles the same length or degree.
Please give brainliest
Answer:

Step-by-step explanation:
In order to get the answer to this question you need to turn the scientific notations into standard form then subtract the two standard forms.

Turn the notations into standard form:




Turn into notation form:

Hope this helps.
Answer:
12.5
10
Step-by-step explanation:
10(1/2+3/4)
5+7.5
12.5
10(1/2)+(8(3/4)-1)
5+(6-1)
5+5
10