The $x$-intercepts of the parabola \[y = 2x^2 + 13x - 7\]are at $(p,0)$ and $(q,0).$ Find $p$ and $q.$ Enter your answer in the form "$p,$ $q$".

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.