Someone me! i feel stupid! i haven't worked on this in forever.

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

What is the measure of each of the two angles formed by the bisector of the diagonal of a rhombus if the original angle measures 58 degrees?

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!