Akiko's bill at the restaurant was $14.05. She left a tip of 18% what is the tip amount (no rounding)

Factor a^3 - 3 + 3a^2 - a. a) (a - 1)(a + 1)(a + 3) b) (a^2 + 1)(a - 3) c) (a^2 - 3)(a + 1)

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?