7) Una sustancia está a – 19º C se enfría lentamente, de tal forma que su temperatura baja
a razón de 2 grados cada tres minutos.
¿Al cabo de cuántos minutos la sustancia estará a
– 1 ºC?

alguien me lo soluciona

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

5/6+7/8what is the answer sealsdbdbshd

What is the solution set of the quadratic inequality x2- 5< 0? o {xl-55x55{x- 155x55){xl -55x5 15){x1 - 15 sx5/5)