Use substitution to solve the linear system of equations.

y = x - 2

2x + 4 = y

1. (-6,8)
2. (6,8)
3. (-6,-8)
4 .(6,-8)

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

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?

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?