Hallar la ecuación de la circunferencia q pasa por el origen y tiene su centro en el punto común de las rectas: r: x+3y-6=0 y z: x-2y-1=0

Every time you drive you will experience a combination of driving conditions and environments.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

If chord ab is congruent to chord cd, then what must be true about ef and eg?