The graph of the line segment PQ is attached. To find the length, we have to use distance formula which is



To find the midpoint,we have to use the formula


Answer:
B
Using gradient of two points and equation of a straight line graph.
Answer:
You did not include enough information. What part of the circle is 5.5 yards? The diameter? radius?
Step-by-step explanation:
if 5.5 is radius then the formula is 2 x pi x 5.5
if 5.5 is diameter then the formula is pi x 5.5
Answer:
Jose's solution is not correct, the auditorium has
rows
Step-by-step explanation:
we have

where
f(x)------> is the total number of seats in an auditorium
x----> represents the number of rows
How many rows are there in the auditorium if it has a total of 416 seats?
Find the value of x for f(x)=416 seats
substitute the value of f(x) in the equation


Using a graphing calculator
The values of x are 
The solution is
x=16 rows because the number of rows can not be a negative number
A':(-2,-4)
B':(-7,-6)
C':(-1,-13)
I've done the test before