When you flip a biased coin the probability of getting a tail is 0.36. Find the probability of getting a head.

If a || b and e || f , what if the value of y ?

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

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line