Answer: There are 80 students.
Step-by-step explanation: 20x4=80
3x4=12
12+80=92
Infinitely many solutions.
Answer:
3 : 7
Step-by-step explanation:
Let the radii be 3x, 7x.
Circumference = 2πr, where r = radius
Thus, ratio of circumference:
2 × π × 3x : 2 × π × 7x
= 3 : 7
( as 2, π and x get cancelled out)
Answer:
The table doesn't display a linear relationship because the slope doesn't stay constant throughout the whole table.
