Elizabeth is going to flip a fair coin 100 times.
What is the best prediction for the number of times that the coin will land tails up?
Choorn 1 an

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Using elimination, what is -4x+2y=-12 4x+8y=-24