Answer: Violet light is at the higher end of the visible spectrum, with a wavelength ~380-450 nanometers.
Step-by-step explanation: Please mark Brainliest!
Answer:


Step By Step Explanation:
Apply Fraction Cross Multiply: If 




Subtract 4 From Both Sides

Simplify

Subtract 2x From Both Sides

Simplify

Divide Both Sides By 8

Simplify

Turn Fraction Into Decimal


Regards,
Mordancy
Answer:
I think it might be 14.28.
Step-by-step explanation:
I used a triangle calculator "cossincalc.com"
The answer is negative nine (-9)
Answer:
-3b
Step-by-step explanation:
4a - 9b - 2(2a - 3b)
= 4a - 9b -4a + 6b
= -3b