Mai ran 4,200 meters or 4.2 kilometers in 30 minutes.
Sphere, the answer is a sphere
Unsure of what you mean by "reference number."
I do recognize that 11pi/9 is in quadrant III. I suspect that the so-called "reference number" is the acute angle between the end ray of 11pi/9 and pi, or, in more easily comparable numbers, between 9pi/9 and 11pi/9.
That difference is 2pi/9.
Answer:
the total is $153.9
Step-by-step explanation:
The total for the adults is $19.9
The children $27
Popcorn $224
$9.95×2=$19.9
$6.75×4=$27
$28×6=$168