What's from least to greatest? or how do i simplify these?

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

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?