Answer:
19/12
Step-by-step explanation:
Student 1 and 3.

Move the negative into the brackets,
positive becomes negative while two negatives make a positive.
Answer:
A
Step-by-step explanation:
there could be no red cards inside

Differentiate both sides wrt
:

By the chain rule, we get


Solve for
:


<u>2.2</u>
Question:
Brody bought 17 chicken wings for $37.40. What's the unit cost of one wing?
Solution given:
17 chicken wings = $37.40
1chicken wings =$37.40/17*1=$2.2
<u>2</u><u>.</u><u>2</u>