How to write an equation in slope intercept form when there is a ordered pair and fraction involved?

Ill mark the brainliest if you me with the these three questions 7,8,9

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls

Identify the percent of change as an increase or a decrease. 75 people to 25 people response - correct increase decrease question 2 find the percent of change. round to the nearest tenth of a percent.