Someone help me with this please

Which system of linear inequalities is represented by the graph?

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Greg is designing a clock face. using the center of the clock as the origin, he keeps its diameters at 10 units. match the positions for the hours on the clock face to their corresponding coordinates. 3 o'clock (0,-5) 6 o'clock (5,0) 9 o'clock (0,5) 12 o'clock (-5,0)