Chad spent 1 hour and 40 minutes at the reptile house at the zoo. he spent 3 hours and 15 minutes visiting other parts of the zoo.

1. how much longer did he spend visiting other parts of the zoo than in the reptile house?

Elijah and his sister went to the movies. they had $34 altogether and spent $9.50 per ticket. elijah and his sister bought the same snacks. write and solve an inequality fotlr the amount that each person spent on snacks. interpret the solition

Which expression is equivalent to -5(3x - 6/7)

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?