Si la edad actual de Federico es la tercera parte de la de Maria
Clemencia, y hace 7 años era la
cuarta parte, determina las edades
actuales de cada persona.
PORFAVOR AYUDENME TENGO QUE ENTREGARLO Y SOLO ME FALTA ESE

can u say it in eglish pls

Step-by-step explanation:

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,