15. I ordered some books online for myself and my friends. each book cost $11 the store charges a flat rate for shipping of $20. write an expression for the cost of buying n books. 16. How much would I be charged if I purchased 8 books? Explain how you would solve the problem.

Figure lmno is located at l (1, 1), m (4, 4), n (7, 1), and o (4, −2). use coordinate geometry to best classify quadrilateral lmno.

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

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the