What's the answer to this problem

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0