Fred withdrew $20 from his checking account on monday .he withdraw another $20 from the account on friday . which expression shows how the balance of feeds checking account has changed .

-40

Withdrew is the same as saying -20

-20 + -20 = -40

So -40 dollars are what bank are charging him

-40 or 2(-20)

Step-by-step explanation:

If you multiply 2 by -20 it would equal -40.

2(-20)=-40

step-by-step explanation:

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation: