Answer:
PR = 10
Step-by-step explanation:
PR = 
The coordinates for P and R are (0,4) and (-6,-4) respectively.
So you plug in the values:
PR = 
PR = 
PR = 
PR = 
PR = 10
Answer:
The width of the rectangle is 2.3 m
Step-by-step explanation:
Now, when we are asked to find the area of the rectangle, we will use the formula:
. We should be given with at least two values, and then we can use the above formula and can find the third variable.
Now, we are given that the area of a rectangle is 12.65
and the length measures 5.5 m
So the width is given as:

So this is the required with of the rectangle.
They are both equal because in decimals you can add thousands of zeros and it's still equal.
Answer:
24 = questions on test
Step-by-step explanation:
Questions answered correctly = questions on test * percent answered correctly
We know that she answered 18 correctly and that 75% were answered correctly
Substitute this information into the equation
18 = questions on test *.75
Divide by .75 on each side
18/.75 = questions on test *.75/.75
24 = questions on test