Answer:
D
Step-by-step explanation:
I think it is D
Answer:40+(-21)= 19
B)
300, since the line inside the box is on 300
Hope that helps!
answer = -13
number = x
x - 8 = -21
x = -21 + 8
= -13
Recheck :
num = - 13
decreased by 8 = - 13 -8 = -21