Respuesta :

princechimezirim096

Answer:

4

Step-by-step explanation:

t + s - r

where,

r=13

s=10

t=7

u=15

substituting

7+10-13 =17-13 =4

Amphitrite1040

Hey there!

t + s - r

= 7 + 10 - 13

= 17 - 13

= 4


Therefore, your answer might be:

Option B. 4


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)