Relax

Respuesta :

Answer:

15

Step-by-step explanation:

Substitute s = 3 and t = 6 into the expression

3s + t

= (3 × 3) + 6 = 9 + 6 = 15

Answer:

the answer is 15

Step-by-step explanation:

3 x 3= 9

9 + 6= 15