Answer:
2.25
Step-by-step explanation:
8.5-6.25
(8-6)+(0.5-0.25)
2+0.25
2.25
The area of the quarter circle with radius 3ft is 
Area of a quarter circle is given by the formula:

Where r represents the radius of the circle
In the quarter circle shown, the radius, r = 3 feet
π = 3.14
Substitute π = 3.14 and r = 3 into the formula 

The area of the quarter circle with radius 3ft is 
Learn more here: brainly.com/question/25843249
13 units.
Since both are negative, and they’re just asking for distance between, you can just subtract 12 from 25 to get 13.
For Question 3,
15 ?
__ = ____
120 100
120?=1500
1500/120=12.5
?=12.5%
Question 4
I think it is $462.80