Answer:
Option C.
Step-by-step explanation:
Step-by-step explanation:
1. you set each expression equal to 0.
x-7=0 and x+3=0
2. Next you need to get the variable by itself so you would add 7 to both sides on the first equation and subtract 3 from both sides for the second one.
3. So your answers would be x=7 and x=-3. Those are the zeros.
Answer:
a. 40
Step-by-step explanation:
Given
and 


We plug in 2x into
.


We now substitute x=-3.


The correct choice is A.
You will need 6/4 or 1 1/2 cups of blueberries to make 48 muffins (2 dozen),