Find the solution of the system of equations. x-3y= x−3y= \,\,-13 −13 2x+15y= 2x+15y= \,\,16 16

Write an explicit formula that represents the sequence defined by the following recursive formula:

On the day a coffee shop first opened, it had 140 customers. 65% of the customers ordered a large coffee. how many customers ordered a large coffee? enter your answer in the box.

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?