Describe at least two similarities between constructing a perpendicular line through a point on a line and constructing a perpendicular through a point off a line. Please help me

Which expression shows the result of applying the distributive property to 9(2+5m) 11 + 14m 18 + 45m 18 + 5m 2 + 45m

What is the missing constant term in the perfect square that starts with x^2 -20x

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?