Does the quadratic function f(x) = 9x ^ 2 + 6x + 1 have one , two , or no real zeros ? Utilize the quadratic formula to determine the answer

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?