Jon orders 1,080 square feet of carpet, and it costs $1500, what is the unit rate?

Nine more than four times a number is the same as one less than twice the number. find the number?

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

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)