Answer:

Step-by-step explanation:
Area of rectangle= Length*Width
so
multiply each coefficient of a times 4a^2
then take a^2 common factor so it will be
=area
2 x 10000 = 20000
2 x 10 x 10 x 10 x 10
The answer is 2 x 10^4
Step-by-step explanation:
distance between (12.-7) and (-3, -7)

=12+3
=15 units
Answer: the vertex is (12,−144)
Step-by-step explanation: