Maths: surds
so i'm doing surds and this question is confusing me
simplify:

now i know that i can simplify it to

and then simplify the 36 to 6 and the answer would be

but when i tried doing it with different values

and i simplify the 9 to a 3 and the 12 to

and i simplify the 4 to 2 i'm left with 3, 2 and square root 3 and i don't undertand how to get 6/3 from that

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

If you could answer these your a life saver

Barbara has a good credit history and is able to purchase a car with a low-interest car loan. she co-signs a car loan for her friend jen, who has poor credit history. then, jen defaults on the loan. who will be held legally responsible by the finance company and why? select the best answer from the choices provided. a. barbara will be held legally responsible because she has a good credit history. b. jen will be held legally responsible because she drives the car. c. barbara will be held legally responsible because she is the co-signer. d. jen will be held legally responsible because she has a poor credit history. the answer is a