Selma walked from her home to her friend’s house. The travel graph shows Selma’s journey to her friend’s house.

Selma spent 1 hour at her friend’s house.
She then walked home at a steady speed.
Selma took 45 minutes to walk home

What was the total distance that Selma walked?

Mr. rose asked his students to draw a quadrilateral with 4 unequal sides. draw an example of this kind of quadrilateral.

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount

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?