Please help me understand this in an EASY explanation I have no idea what I'm doing.

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

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?