15 of the students in a Chemistry class passed a Chemistry test. If these students are 75% of all the students in the class, how many
students are in this Chemistry class?

For the equations below which statement is true ? -2x=14 6x=-42

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

Alogical argument that is presented in graphical form using boxes and arrows is called?