Apply the distributive property to create an equivalent expression.
1/2 (2a - 6b+ 8)

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

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

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart