Trying to make honor roll <me out

which equation has exactly one solution

a. n - 2n + 1 = 2n - 3n - 1
b. 2n - n = 2n - 3n
c. 1 - n - 2n = 1 - 2n - n
d. n - (1 - 2n) = 2n + (n - 1)

The answers B the guy above me is an idiot

Step-by-step explanation:

I did the assignment and got it right

B

The second answers question is: a=1 r=2

Step-by-step explanation:

For edge(:

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step-by-step explanation:

hello from mrbilldoesmath!

answer:   x^2 + y^2 = 1024

discussion:

the equation of a circle with center (h,k) and radius "r" is

(x-h)^2 + (y-k)^2 = r^2.

in our case

(x-0)^2 + (y-0) ^2 = 32^2 = 1024

you,

mrb