A triangle has side lengths of (2.7h – 2.1) centimeters, (8.2h – 5.3) centimeters, and (8.8k – 5.3) centimeters. Which expression represents the perimeter, in
centimeters, of the triangle?

Which rational number could be graphed between -4 and -5

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?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label