What is the simplest form of this expression?

(x − 3)(x2 + 4x + 5)

A.

x3 + 7x2 + 7x + 15

B.

x3 + x2 + 17x + 15

C.

x3 + x2 − 7x – 15

D.

x3 − 7x2 − 17x − 15

Find the vertex of the function given below y=x^2-6x+1

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?

Evaluate 5 + 6 · 2 – 8 ÷ 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5