Which statement best explains the value of 12 − (−4)? I need help?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

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?