Answer:
it a
Step-by-step explanation:
B I think
Yes, all equilateral triangles are acute.
yea
hope this helps :)))
a.2^(a+b+c)
b.2^(a+b+a-b)=2^(2a)or 4^a
c.2^(a+b+c)/2^(a+b)=2^(a+b+c-a-b)=2^c
