10. Which set of substances listed is correctly
sequenced from strongest to weakest acid?
pH =3, pH = 2, pH = 9
pH = 7, pH = 8, pH = 9
pH = 8, pH = 10, pH = 14
pH = 1, pH =3, pH = 6

What is the first quartile of the data set? 10, 11, 12, 15, 17, 19, 22, 24, 29, 33, 38 a. 12 b. 19 c. 29 d. 10

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?