Answer:

Step-by-step explanation:
Answer: (an)(x)
Step-by-step explanation:
quizlet
Answer:
you add them, but keep the sign
Step-by-step explanation:
Answer:
The brownies will be a little thicker in a 9 x 13” pan. 8 x 8= 64 square inches, doubled that's 128. 9 x 13= 117
Step-by-step explanation: