Please help Charles correctly answered 23 questions on a test receiving a grade of 92% how many questions where on the test

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

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)

Graph y = -|x| + 2. click on the graph until the correct one appears.