Answer:
0.
Step-by-step explanation:
same value negative plus positive is 0
Noah made 80 cookies and sold 72. This means that 8 cookies were left.
Answer:
a = -
, b = - 
Step-by-step explanation:
To obtain the required form use the method of completing the square
add/ subtract ( half the coefficient of the x- term)² to x² - 9x
y = x² + 2(-
)x +
-
+ 14
= (x -
)² -
+ 
= (x -
)²-
← in the form (x + a)² + b
with a = -
and b = - 
Fruit adult = 26
fruit total = 52
vegetable child = 14
total child = 40
total adult = 50