Pls help. quick

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?