The expression 12x+15x-11x can be combined because of which property

What is 5xp=px5 is it commutative property or associative property?

The measure of two supplementary angles have a ratio of 5:4 what is the measure of the large angle?

How much data is needed to have a representative sample of the population? 10 to 20 items. At least 100 items. All of the population. It depends on the size of the population.

2 1/2 cakes are divided into 18 pieces for guests. How much cake will each person receive?

paula says that she can draw an array with a total of 17 counters placed in 3 rows. is she correct? if she is, draw the array. if she is not, explain why not

What are all the prime factors of 35

George can wash the windows of his apartment in 40 minutes, and his father can wash them in 60 minutes. How long would it take them to wash the windows together? explain!

A homeowner compared his electric bills from the last four months. In January, his bill was up $30; in March, his bill was down $25; and in April, it was down $16. Which month showed the greatest change in his bill? January March April

In the integer - 60, what does 0 represent

the product of the first 5 terms of a geometric series is 243 if the third term of the geometric series is equal to the 10th term of an arithmetic series find the sum of the first 19 terms of the arithimetic series