Respuesta :

devishri1977

Answer:

Step-by-step explanation:

s - 5t + s²  = 4 - 5*(-1) + 4² = 4 + 5 + 16 = 25

wegnerkolmp2741o

Answer:

25

Step-by-step explanation:

s - 5t + s^2

Let s=4 and t=-1

4 -5(-1) + 4^2

4 +5 +16

9+16

25