En una plantación especializada en productos orgánicos, un técnico agrícola
tiene dos fertilizantes que contienen
diferentes concentraciones de nitrógeno,
uno tiene 3% y el otro tiene 11%. ¿Cuántas
libras de cada fertilizante debe mezclar para
obtener 20 libras con una concentración de
9%?

For the function, f(x) = -5x 2, find f(-4).

Acertain group of women has a 0.640.64% rate of red/green color blindness. if a woman is randomly selected, what is the probability that she does not have red/green color blindness? what is the probability that the woman selected does not have red/green color blindness? nothing (type an integer or a decimal. do not round.)

In a recent year, the weather was partly cloudy 2/5 of the days. assuming there are 356 days in a year, how many days were partly cloudy?