Please help I’ll give brainleist

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

The statement tan theta= -12/5, csc theta=-13/12, and the terminal point determained by theta is in quadrant two

Use matrices to solve this linear system: 5x1 − 2x2 = −30 2x1 − x2 = −13 x1 = x2 =