Answer:
4
Explanation:
t + s - r
where,
r=13
s=10
t=7
u=15
substituting
7+10-13 =17-13 =4
Hey there!
= 7 + 10 - 13
= 17 - 13
= 4
Therefore, your answer might be:
Option B. 4
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)
1.6m questions
2.0m answers