All circles are similar. The angles are always circular 360 degrees. There must be a theorem that states this
Answer:

Step-by-step explanation:
x² + 2x = 6
Subtract both sides by 6.
x² + 2x - 6 = 0
ax²+bx+c=0
a=1, b=2, and c=-6
We can apply the quadratic formula.

Plug in the values.

Evaluate.



Answer: 30 students per bus
Step-by-step explanation: 99-9=90
90/3=30
30 students per bus
The answer should be A, if he marked it up 70% just multiply 66 by 1.7 for your answer.
Answer:
x=16
Step-by-step explanation:
50+40=90
40-8=32
32/2=16
x=16