2 x 6x - 2 x 5y - 7
12x - 10y - 7
Answer:
(a) 
(b) 
(c) 
(d) 
(e) 
Step-by-step explanation:
Solving (a):
Given

Required
Express as a product
Express 10x as 5 * 2x

Apply distributive property


So:

Solving (b):
Given

Required
Express as a product
Express 2x and 3x as 2 * x and 3 * x, respectively

Apply distributive property



So:

Solving (c):
Given

Required
Express as a sum/difference
Apply distributive property



Solving (d):
Given

Required
Express as a sum/difference
Apply distributive property


Solving (e):
Given

Required
Express as a product
Factorize

Apply distributive property

So:

Answer:
16.2 is your answer..
Step-by-step explanation:
36/0.45
=36*45/100
=1620/100
=162/10
=16.2
Hope it will helps you to understand
The answer should be the second choice, “B”
A would be subtracting the exponents, while C & D are adding exponents