The units digit is twice the tens digit. if the number is doubled, it will be 12 more than the reversed number. find the number. and can you show your work and not just give the answer, ! !

i believe a. 12x≥120 is the answer

нιѕ яαтє ιѕ 1/4 σя .25 ριєѕ ρєя мιиυтє

нσρє ι ¢συℓ∂ нєℓρ уσυ.

mrbilldoesmath!

answer: a parabola

steps:

(x-1)(x+4)   = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)

                = x^2 +4x -x -4   = x^2 +3x -4

which is a parabola

mrb

4n=2m

ratio of m to n: 2/4 = 1/2

answer

a. 1/2