What times itself eqauls 100 over 9

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x,and the distance in miles, y, that he travels.

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities