Answer: 10
Step-by-step explanation: 20-10=10, 30-20=10, 40-30=10.
Answer: 1.893 Welcome
Step-by-step explanation:
Answer: 6
Step-by-step explanation:
Two negatives make a positive, -42/-7 would be 6. The same as a normal 42/7
500 centimeters
18000 grams
9 Liters
275 cm