Ayuda con mates por favor

a) and  , b) and , c) and , d) and , e) and , f) and , g) and , h) and .

Step-by-step explanation:

Each system is solved as follows (Cada sistema es resuelto como sigue):

a) and

b) and

c) and

d) and

e) and

f) and

g) and

h) and

450

step-by-step explanation:

you get texts and minutes, so why not