Answer:
Step-by-step explanation:
um
Answer:
A
Step-by-step explanation:
look up desmos graphing calculator and it graphs all of your equations for you. I used it all through high school.
Answer:
All you need to do is substitute.

-3 + 36/9
-3 + 4
= 1
Answer:
18 students.
Step-by-step explanation:
Total amount is 100
Take 68 and add to 60 to get 128.
Subtract from both numbers until you get to 50.
68 needs 18 subtracted to get to 50.
60 needs 10 to get to 50.
18 plus 10 is 28, which is the excess.
Here, 18 people like only football.
Given the equation
.
When x is maximum, we have
. Hence 
The maximum temperature is 
When x is minimum, we have
. Hence 
The minimum temperature is 