1) João sem querer colidiu sua moto com um poste, como é mostrado na figura abaixo. Qual a altura do poste? Imagem sem legenda a) 5m b) 6 m c)7m d)8m e)9m

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

step-by-step explanation:

there are 36 inches in a yard

25 : 36 = 0.69 yards (you can round to 0.70)

6 cm

step-by-step explanation: