Answer:
180 Alan, 210 Rob
Step-by-step explanation:
6+7= 13
390÷13= 30
30×6=180 =Alan
30××7=210 =Rob
Answer:
where should I substitute 8 for x? if its like this 4(8)+y=12 than its y=-20
Step-by-step explanation:
Answer:
B., D., E.
Step-by-step explanation:

This is choice B.
This is choice E.
This is choice D.