Which property explains why these two expressions are equal?

(w +

2

3

) + 5 = w + (

2

3

+ 5)

sound travels in waves. in dry air at 20 Celsius, sound travels about 343 meters in one second. how many meters will, sound travels in 7 seconds?

The largest possible circle is cut out of a square whose side length is 6 feet. What will be the approximate area, in square feet, of the remaining board?

98.4 x 0.064 estimate

A-b=12 ab=14 find a2 + b2

Jason has 16 quarters and 36 nickels. He wants to group his money so that each group has the same number of each coin. What is the greatest number of groups he can make?

01 The list below shows the prices of T-shirts at a clothing store. {8, 10, 10, 12, 15, 15, 18) Which statement best describes the mean of this ser?

What's the answer to tripling the greater of the two consecutive even integers gives the same result as subtracting 10 from the lesser even integer. what are the integers?

What is the answer to 9.99999999*9.999999999

Which expression is equivalent to 1/2 - (-8) A) - 8 + 1/2 B) 1/2 + 8 C) - 1/2 + 8 D) - 1/2 - 8

A school fundraising event charges $3 for admission plus $0.25 for every activity ticket purchased. Given that x represents the number of activity tickets purchased, which of these expressions represents the total cost of attending the event?