1. Solve the system by the addition method.

x + 3y = 0

4x + 5y = 17

2. At the time of hergrandson's birth, a grandmother deposits $1000 in an account that pays 9.5% compounded monthly. What will be the value of the account at thechild's twenty-firstbirthday, assuming that no other deposits or withdrawals are made during thisperiod?

3. Solve the system by the substitution method.

x+y= -3

y=-4x

4. Factor the trinomial.

x to the 2 power + 6x +8