6/9, 4/6 just multiply the top and bottom by the same number to find the equivalent fraction
Answer:
D,1
Step-by-step explanation:
look at the wavelengths
Answer:
D is the answer
Step-by-step explanation:
Answer:
Option A. 
Step-by-step explanation:
we know that
The resulting two-dimensional cross-section is a rectangle
The area of rectangle is equal to
