Answer:
5×14×14×4=3,920 cm
Step-by-step explanation:
Multiply all numbers to find the area.
5.7 is 5 7/10 and it cannot be simplified
Answer:
-8 feet
Step-by-step explanation:
63 - 71 = -8
Multiply both sides by 10.
2b=990
divide both sides by 2
b= 495