Answer:
Step-by-step explanation:
Tìm cc
There are 129 tens because 43x30 (3 tens) is 1,290
Answer:
C.) 18 < x < 86
Step-by-step explanation:
triangle property: sum of any 2 sides is larger than the third side
if x <= 18 18 + 34 no larger than 54
if x >= 86 34 + 52 no larger than 86
