Evib graphs the parabola y = x^2 + 4x + 7 and finds that it has no x-intercepts. explain how you can verify evin's result algebraically by solving for the zeroes of the function.

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.