I need help with at least one of these. My teacher is s. hit at teaching

How to use order of operation in 20 divide by 4 multiply 5 = 1

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect