A scientist read about a experiment done by someone else. she does the same experiment in her lab to make sure it works. This is an example of: A:repetition B:replication C:redundancy D:replacement

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

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?

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)