Using Excel, Ellen has entered all of her monthly expenses. She needs to create a formula that will deduct her monthly expenses from her monthly income. Since her monthly income is the same amount each month, she uses a(n) to identify the cell containing the income value.

looking away, slouching, not focusing

explanation:

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.