Which are the solutions of the quadratic equation? x^2 = –5x – 3

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.