. Kathy has 12 pens.
She has 4 more than
James. How many
does James have?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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

I'm confused on this could anyone me and show me what i need to do to solve it.