The average rate of change is m=5.
Hope this helped.
Answer for angle x = 28.07
Given b=8 and c=17,
Unknown leg = 15
∠O = 61.93
∠P= 28.07
You distribute the three into the numbers in parentheses. -3+24n+6n. Then combine like terms. -3+30n
But I may be wrong.
It is not possible to select a single group from the primary school, since being a single group it could not in any way represent the entire primary school.
Choosing a group would provide the average height for that group, not the entire primary.
Assumptions can be made that the course of half of the primary would theoretically give us a more accurate representation, but the objective is to select a number of students from each course and there would be a representative sample of the entire primary.
A squared + B squared = C squared
