Which pair of equations generates graphs with the same vertex?
a. y = –(x + 4)2 and y = (x – 4)2
b. y = –4x2 and y = 4x2
c. y = –x2 – 4 and y = x2 + 4
d. y = (x – 4)2 and y = x2 + 4

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Find the value of x in the diagram below. select the best answer from the choices provided