Answer:

Step-by-step explanation:
As the triangles are similar :
45/55 = (12x - 3)/143
9/11 = (12x - 3)/143
9 x 13 = 12x - 3
12x = 117 + 3
12x = 120
x = 10
Answer:
If it is 2.4 times 27.316, it is 65.5584
Step-by-step explanation:
Answer:
4x(3x^2-x+5)
Step-by-step explanation:
12x^3-4x^2+20x
=4x(3x^2-x+5)
The fraction in its simplest form is 27/100 .
The answer is 193 because, you have to add the numbers up