Answer:
63.66
Step-by-step explanation:
Mean=(65.9+80.8+60.8+46.5+64.3)/5
Mean=63.66
Answer: 7
Step-by-step explanation:
just use a comparison
3/12 = x/28
1/4 = x/28
x = 7
Answer:
c) three
-----------------------------------------------------------------------------------------------------------------
Step-by-step:
The tetrahedron is a triangular pyramid with equilateral triangles on each face.
8.61 x 10^-8 = 0.0000000861 in standard form
