Un saco de ladrillos de 200 Kg tiene que ser elevado al tercer piso de una obra en construcción (10 m). Un obrero realiza el trabajo en 20 minutos mientras que una grúa lo realiza en 2 segundos. ¿Qué trabajo realiza el obrero? ¿Y la grúa?

i don't think there is enough

let me know if this is right lol.

step-by-step explanation:

in order to solve by completing the square, what number should be added to both sides of the equation?

88

how many of the solutions to the equation are positive?

0

what is the approximate value of the greatest solution to the equation, rounded to the nearest hundredth

3.03

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).