Find the vertex, focus, and directrix of the parabola. vertex (x, y) =
focus (x, y) =
directrix
Sketch its graph.
(y + 5)^2 = −16(x + 4)

Find the simple interest earned to the nearest cent for each principal,interest rate,and time 735 7% and two and a half years

Bob’s bank charges him a $3.15 service fee every time he uses an out-of-network atm. if bob uses an out-of-network atm an average of three times every two weeks, how much will he pay in service fees over the course of a year? a. $327.60 b. $109.20 c. $491.40 d. $245.70 select the best answer from the choices provided a b c d

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?