Chen records the number of crayons in her art supply box by color. the results are shown in the table below. what is the ratio of the number of red crayons compared to the number of yellow crayons?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

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?

Drag the titles to the correct boxes to complete the pairs. the probability that kevin has diabetes and the test