The answer is 9a+5. All you have to do is combine like terms:)
Answer:
Around 30.16ft
Step-by-step explanation:
Using the formulas
C=2πr
d=2r
Solving for C
C=πd=π·9.6≈30.15929ft
The equation of a circle:

(h, k) - center
r - radius
Look at the picture:
center: (4, -2) → h = 4, k = -2
radius: r= 5
Substitute:

X/4 = -9
x/4 = -9/1
cross multiply
x = -36
Answer:
1/4
Step-by-step explanation
you divide 25 divided by 25 the also divide 100 divided by 25 and u get 1/4