Answer:
A
Step-by-step explanation:
We can substract the wavength of the violet light to the wavelength of the red light:
(6.5 x 10^-7 m) - (4.0 x 10^-7 m) = 2.5 x 10^-7 m
Both trees would be the same in 2 years at 7 feet.
Hope this helps.
The answer is C. y= 3/2 x. You can check by multiplying 3/2 by 3, if you get 7, it is correct
18.75÷5=3.75
12.75÷3=4.2
The pack of 5 books has the lower cost per book
