What property is this in math 6 + (4+x) = (6+4) + x

Which statement explains why √2 is an irrational number?

Use the expression to answer the question. |-4+X|-12 What is the value of the expression when X=6? A. - 10 B. - 2 C. 10 D. 2

A tube filled with 50 quarts of water empties at a rate of 2.5 quarts per min

your local banl offers free checking for accounts with a balance of at least $500. suppose you have a balance of $516.46 and you write a check for $31.96. How much do you need to deposit to avoid being charged a service fee. inequality

Josh rode his bike 11.4 miles. Claire rode her bike 6.8 miles. Which explains how mental math can be used to find how much farther Josh rode than Claire?

How to find the perimeter of a octagon

The irregular figure on the left has been decomposed into the figures on the right. A figure is broken into a parallelogram and rectangle. The rectangle has a base of 7 centimeters and a height of 4 centimeters.

What does a=3n+1 and solve for n

Bob and Ted are in the plumbing business. Bob can do the plumbing hook-up for a new house in 4 hours; Ted does the same job in 6 hours. If they work together, how long will they take to hook up the plumbing in one house? 2.1 hours 2.4 hours 5 hours

How do tessellations relate to math?