Solve the following system. If necessary, write your answers as improper fractions. If the system has no solution, write no solution. If the system has infinitely many solutions, write infinitely many solutions. y=2x+5
y=1/2x-1

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Which one is true about the hexagons ?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.