Answer:
-7
Step-by-step explanation:
A = 3
3×3 = 9
B= -4
-4 × -4 = 16
9 - 16 = -7
29,000 kph x 24 hours = 696,000 kilometers
696,000 km = 6,960,000 hectometers
Answer:
40 sq feet
Step-by-step explanation:
(im bad at explaining)
1 x 2 = 2 sq ft
3 x 2 = 6 sq ft
4 x 12 = 48 sq ft
2 sq ft + 6 + sq ft = 8 sq ft
48 - 8 = 40
Answer:
There is no smoke with an electric train:)
