Orville deposited $38.50 into his bank account after making a $30.00 withdrawal to to purchase some groceries. Represent these situations as signed numbers

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

With alll of except for the 2 that i did already