Step-by-step explanation:
1.3×2×a×b
=6ab
2.c5×c
=c5+1
=c6
3.2y4×5y3
=10y4+3
=10y7
4.3gh2×4g3h3
=12g1+3h2+3
=12g4h5
Answer:

Step-by-step explanation:
(Given)
(Given)
(Corresponding angles)


(By exterior angle theorem)


You can factorize to simplify the expression
The answer would be,

Hope this helped
:D
Answer:
a₈ = - 10935
Step-by-step explanation:
the nth term of a geometric sequence is
= a₁ 
where a₁ is the first term and r the common ratio
here a₁ = 5 and r =
=
= - 3 , then
a₈ = 5 ×
= 5 × - 2187 = - 10935
Triangle A is an Isosceles
Triangle B is Equilateral
Triangle C is Scalene