Matthew jogged to his friend’s house 12 miles away and then got a ride back home. it took him 2 hours longer to jog there than ride back. his jogging rate was 25 mph slower than the rate when he was riding. what was his jogging rate?

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )