Help please. ok Which of the following is an example of the Associative Property of Multiplication?
A. (2 + 4) + 5 = 2 + (4 + 5)
B. (3 х 4) x5 = 3x (4х5)
C. 52 x4 = 4х52
D. 3 + 92 = 95

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?