From the sum of 5 – 9i and -4 + 7i, subtract 14 – 3i.

a. -13 + i
b. -13 – 5i
c. 13 – i
d. 13 + 5i
e. 13 – 5i

not entirely sure how to do this or put it into my calculator!
any is appreciated !

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

The parabola opens: y=√x-4 (principal square root) up down right left

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.