What are the 7 & 9 for? Obviously, you had info from somewhere else for the 9 & 7 if they are THE ONLY NUMBERS here
Answer:
The number of hours.
Step-by-step explanation:
The dependent variable is what you are mesuaring.
Answer: after 5 hours, 75 cupcakes
Step-by-step explanation:
(x-5)(x+2)=0
roots: x=5 and x= -2
see attached photo for steps
B. Every third student entering the school in the morning