If x+7=23, then x=16 what property is this

There were 816 people at a concert when a band started playing. After each song, only half of the people stayed to hear the next song. How many people were left at the concert after x songs? Write a function to represent this scenario.

Which scenario best matches the linear relationship shown in the table? Day Dollars 0 350 2 450 4 550 6 650 James had $350 in his cash register and earned $50 each day in sales. James had $350 in his cash register and earned $100 each day in sales.

It says find the greatest common factor of set numbers and the numbers are 21,24,27

James average was a 73 first semester and 88 second semester. find the percent change.

Mrs. Gregory is buying paving stones to lay along a diagonal path across her square lawn, which is 17ft on each side. To the nearest tenth of a foot, what is the length of the path?

Eric buys new clothes for school. He has 3 pairs of pants, 4 shirts, and 2 pairs of shoes. How many different outfits does he have?

What are the x - and y-intercepts of the following equation? - 2x + 8y = 8

Give a verbal description of the subset of real numbers represented by the interval X is greater than five

Add write the doubles fact you used to solve the problem. 7 + 8 =

Is 1.32 a rational number or integer