Answer:
About 4 times per year.
Step-by-step explanation:
Research studies online.
Answer:
The last table
Step-by-step explanation:
The X must go up by 1 and the Y must increase/decrease at a constant rate.
Answer:
c) r = 4x + 2y
Step-by-step explanation:
∑y
-3 + 5 =2
∑x
1 + 3 = 4
r = 4x + 2y
Answer:
5.93
Step-by-step explanation:
or 
Answer:
Step-by-step explanation:
1 km = 1,000 m = 100,000 cm = 1,000,000 mm
1 mm is millionth part of 1 km
1 mm = 0.000001 km
20 mm = 0.00002 km