A piece of paper is folded into thirds multiple times. The area, A, of the piece of paper in square inches, after n folds, is A=90⋅(1/3)^n. How many folds are needed before the area is less than 1 square inch?

The figure below shows rectangle abcd and the triangle eca on a coordinate plane. which of the following expressions represents the perimeter of triangle of triangle eca in units

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)