Help please look at the picture attached thanks!

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4

a

step-by-step explanation:

rurbrbrjrnrbjr

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)