angel has $54 to buy cds and books. each cd, c, cost $9 and each book, b, cost $6. she wants to buy exactly 7 items. Write a system of equations that could be used to represent this scenario

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo