Answer:
12.56 mm²
Step-by-step explanation:

Plug the given values into the area equation

Therefore, the area of the circle is 12.56 mm².
I hope this helps!
Answer:
The slope would be rise over run so you go from point A and rise 4 then go over 8
So 4/8, then to simplify this it would be 1/2, so your slope is 1/2
Step-by-step explanation:
Answer:
5 pounds
Step-by-step explanation:
Given that:
Amount of gift card = $80
Cost of coffee per pound = $8.24
Amount left in the card = $38.80
To find:
Number of pounds of coffee bought = ?
Solution:
Let the number of pounds of the coffee bought =
pounds
Cost of 1 pound = $8.24
Cost of
pounds = $8.24 
Writing the equation as per question statement:

Therefore, 5 pounds of coffee was bought.
-1 1/4 as a decimal would be -1.25.
Since -1 is a whole number we would just write that as -1. 1/4 as a decimal is .25.