Answer:
18
Step-by-step explanation:
Mark is 18 years old.
400×10=4000
400×2=800
50×10=500
50×2=100
2×10=20
2×2=4
4000+800+500+100+20+4=5,424
Check answer by multiplying 452 and 12
452×12=5,424
Answer:
C
Step-by-step explanation:
bc i’m right
Answer:
No, because an expression is already solved and an equation is where you have to solve it
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
