Mafs.7.ns.1.3-fsa practice
an airplane's altitude changed -378 feet over 7 minutes. what was the
mean change of altitude in feet per minute?

Step-by-step explanation:

we know that

To find out the mean change of altitude, divide the total change by the amount of time it takes

so

---> is negative because the airplane is descending

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.