Which property was used to simplify the expression? 30+9+4- 40+
distributive property
commutative property
associative property
inverse property
HELP SMB PLEASE!!!

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

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

The quadratic function h(t)=-16.1t^2+150 choose the graph representation