Answer:
A. 
B.
cupcakes
Step-by-step explanation:
Part A:
The simplified form of the expression is




Part B:
Put
in the above simplified equation to get the number of cupcakes Mrs. Jones bake last week



cupcakes
Answer:
b.-5
Step-by-step explanation:
Whatever you do to one side you do to the other
Symmetry means that if you split it in half, the two sides would be equal. For example, the letter X is symmetrical.
Answer:
10
Step-by-step explanation: