I believe it is 15 I am using trigonometry but I’m not 100% sure
The answer is the first one
Answer:x=143
Step-by-step explanation: set 128=X-15 add 15 to both sides
Step-by-step explanation:
Formula :
![\boxed{A = \pi r^2}](https://tex.z-dn.net/?f=%20%5Cboxed%7BA%20%3D%20%5Cpi%20r%5E2%7D%20)
A = 3.14 × 9.4²
A = 3.14 × (9.4 × 9.4)
A = 3.14 × 88.36
A = 277.45 cm²
A = <u>2</u><u>7</u><u>8</u><u> </u><u>cm²</u> (rounded to the nearest unit)
So, the approximate area of the circle shown below is 278 cm² (A)
#CMIIW
You would have to use system of equations for this problem.
X= pencils and Y= binders
4x + 10y = 64
7x + 4y= 31
Pencils are $1 each and binders are $6 each.