Miguel reads that the average low temperature today is — 4.2°F and that the average high temperature is 9.1°F Miguel plots the points on the number line to determine the temperature change between these two readings.

What is the temperature change ?​

answer: i think the answer is etheir c or d but i don't know which one but have a good day!

step-by-step explanation:

where are the choices?

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

the answer is 21%.