Can someone explain how to get this answer please?

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work:

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.