Answer:
It's B) -2
Step-by-step explanation:
It would be 3.14(7)^2
Then 3.14*49
Multiply those two to get your area
Answer
Find out the percent error in Annie's estimate .
To prove
Formula

As error = approx value - exact value
As given
Annie estimates that the height of a bookcase is 78.25 in.
The actual height is 75.50 in.
approx value = 78.25 in.
actual value = 75.50 in.
error = 78 .25 - 75 .50
= 2.75
put in the formula


Percentage error = 3.64 % (approx)
Therefore the Percentage error be 3.64 % (approx).
Answer:
3is the right answer
Step-by-step explanation:
you did it right
The length of line segment is the horizontal distance between two points
Suppose
a line has endpoints
The length of the line is