I applied the Gauss-Jordan Algorithm to four Dependent systems of 3-D planes and ended with the following matrices. In each case depict a General Form for the infinitely many points of intersection and determine any three points of intersection

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

Which of the functions below could have created this graph?

|p| > 3 {-3, 3} {p|-3 < p < 3} {p|p < -3 or p > 3}