PLEASE HELP ASAP! During an experiment, the temperature of a mixture changes from 12 1/4°F to 15 3/5°F. What is the percent of increase in the temperature of the mixture?

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5