Gabrielle’s age is two times Mikhail’s age. The sum of their ages is 36. What is Mikhail’s age?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Given that abcd is a rhombus, what is the value of x?

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?