You have to make 1000 buttons. the diameter of the button is 9cm but you have to find it’s area. its $15/m squared and you have to find how much it costs to make 1000 buttons.

$95.38

Step-by-step explanation:

step 1

Find the area of one button

The area is equal to

we have

---> the radius is half the diameter

Convert to meters

assume

substitute

step 2

Find the area of 1,00 buttons

Multiply by 1,000

step 3

Find the cost

Multiply $15 per square meter by the total area of 1,000 buttons

the number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.

i hope this is what you were looking for.

see attached graph