Why is it important to use a device like a random number table in a simulation?

*chance plays a part in the process being simulated.
it to organize the data.
the calculations are difficult to complete by hand.
random number tables include critical values.

i chose the first choice but i'm having second

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.

Find the solution on the interval [0, 2pi)