188 to 42 what is the percent change

Step-by-step explanation:

so we are gonna have a percent decrease because it went from 188 to 42

decrease = (original number - new number) / (original number ) * 100

                = (188 - 42) / (188) * 100

                = (146 / 188) * 100

                = 0.7766 * 100

                = 77.66% decreasenot sure if u need ur answer rounded to the nearest percent or notif so, its a 78% decrease

it would be:

c.parallelogram.

step-by-step explanation:

yes it represnts a functio, their are not 2 of the same numbers on the both sides