Which of the following statements about rational numbers is not correct? All rational numbers can be written in the form a/b, where b ≠ 0.
B All integers are also rational numbers.
C Rational numbers cannot be negative.
D All whole numbers are also rational numbers.

Which graph corresponds to the function f(x) = x2 + 4x – 1?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

G. how many different 6-letter arrangements can be formed using the letters in the word absent, if each letter is used only once? a. 6 b. 36 c. 720 d. 46,656