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

What is the temperature change?
° F
Thank you

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Abookstore owner is having a sale the book bart wants was originally priced at $14.99 the book is now $10.04 by what percentage was the price reduced