Calculate the ph of a 0.10 m solution of hydrazine, n2h4. kb for hydrazine is 1.3×10−6.

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

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?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.