$72\cdot 78\cdot 85\cdot 90\cdot 98$ and $68\cdot 84\cdot 91\cdot 108$

Find the difference (8ab+a+2) - (3ab+6)

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Which statement describes surface features called maria on the moon