Which equation is equivalent to: 11r+4=55
a.- 11r=55+4
b.- 11r=55-4
c.- -11r=55-4
d.- -11r=55+4

Equation B

Step-by-step explanation:

If you subtract 4 from the original equation, you get equation B.

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice