HELP ME PLZ ASAP it is about cylinders and stuff I kinda understand but also I don't just learn today so...yeah, so showing work will be amazing too, you don't have to but it would be great if you did. thank you :)

Which expression is equivalent to -5(3x - 6/7)

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 effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?