Draw a bar model that shows how the number now hours in march compares with the number of hours in february of this year

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

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?

Which number line correctly shows 0.8 + 0.3?