Answer:
A. Right triangle
B. Scalene triangle
C. Equilateral triangle
D. Scalene
Step-by-step explanation:
Hello,
2/10,-6/100,18/1000,-54/10000,162/100000;...
a(n+1)/a(n)=-3/10
a(0)=2/10*1
a(n)=2/10* (-3/10)^(n-1)
Answer B
Distribute
to every term inside the parentheses.

Simplify with multiplication.

You can't simplify further by adding, so leave the answer as-is.
4/12 / 1/12 & 4/12 / 48/12 are how you make them equal, although i'm not sure about the rest
Answer:
the common difference is 10
Step-by-step explanation: