Describe and justify the methods you use to solve 2x(x+1.5)=-1 and 3x(x+6)=-10

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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?

What is the answer to the question 5x+2x