Which equation demonstrates the additive identity property?

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?