Answer:
196
Step-by-step explanation:
Add the numbers together.
Answer:
D,1
Step-by-step explanation:
look at the wavelengths
X= y
u have to divide 7 from both sides
Answer:
B. 20 mph
Step-by-step explanation:
To find the average speed, take the distance and divide by the time
40 miles / 2 hours
20 miles per hour
The answer would be7,500,000