Answer:
13/5
Step-by-step explanation:
La answer: 13/15
Éxplaine:
2/3 + 1/5
LCM=15
2/3x5 + 1/5x3
10/15 + 3/15
=13/15
technically yes but please do not.
Answer: 21
k(x) =x^3-2x
k(3) =3^3-2*(3)
k(3) =27-6
k(3) = 21