Answer:
9,-7 hope this helps :))))))))
Add 40 plus 32, it equals 72 because he wrote 40 popular songs and 32 songs.
36 of them did not have an umbrella because out of 11 people, 4 did not bring an umbrella.
Answer:

Step-by-step explanation:
Given the quadratic function

Evaluating the quadratic function

substitute x = 3



Therefore,
Alex bought all the string needed for $125.
It costs $18 for the remaining materials to make each puppet.
So if we closely observe then we see that here $125 is the fixed cost because its not going to change with number of puppets.
And the variable cost is $18.
In this case we can model a Total cost function C(x) for for x number of puppets as below

The total cost to make 50 puppets=$1025