What’s the property of 41 + 29=41 +(9+20)=(41+9)+20=70

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Can anyone me with 32,33,36,37,and 40.

The liabilities of cullumber are $99,000. owner’s capital is $143,000; drawings are $96,000; revenues, $467,000; and expenses, $301,000. what is the amount of cullumber company’s total assists?