Answer:
C and D
Step-by-step explanation:
1
The arc length is calculated as
arc = circumference of circle × fraction of circle
= 2πr × 
= 2π × 10 ×
=
=
cm → C
-----------------------------------------------------
2
The area (A) of a sector is calculated as
A = area of circle × fraction of circle
= πr² × 
= π × 10² ×
=
=
cm² → D
Not the answer
What is the total number of students?
Answer:
The value of the slope is 4
The meaning of the slope is y/x
Step-by-step explanation:
Answer:
8x+8?
Step-by-step explanation:
2x+6x=8x
5+3=8