HELP IS EXTREMLY APPRIECIATED

Which is the equation of a hyperbola with directrices at x = ±3 and foci at

(4, 0) and (−4, 0)?

A. x squared over 16 minus y squared over 4 equals 1

B. x squared over 12 minus y squared over 4 equals 1

C. y squared over 16 minus x squared over 4 equals 1

D. y squared over 12 minus x squared over 4 equals 1

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%