Lisa has 3/4 yards of ribbon.. she made a bow from 1/3 of it. what part of a yard did lisa use to make a bow?

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

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

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5