So, u would start by expanding the bracket and ignoring the 2 at the moment.
(x+9)(x+9)= x^2-18x+81(using the foil method!
Then u would put 2 at the front to get:
2(x^2+18x+81)
= 2x^2+36x+162
The area is 14 units square. It can be calculated by drawing the vertices.
it's was good coz had friends around right now it's bad I have to teach my little one and sometimes I get really confused all the same am good
Answer:
The answer is the roman numeral ||.
Step-by-step explanation:
If you use the equation 
you will find the only one that works is roman numeral ||. This equation is for right triangles.
Only cabinet with two silver coins is cabinet B.
The chance of choosing cabinet B is 1/3.
Thus, there is a 1/3 chance of the two cabinets contain 2 silver coins.
