Which number line model represents the expression -\dfrac12+\dfrac54− 2 1 + 4 5

Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?

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

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"