Help to C? need answer. Stats

Solve |x| > -9 a) {x|x< -9 or x> 9} b) all reals c) no solution

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5