Write an equivalent expression for this expression. x (x^2+x-1) - x^2

Alex rode a bike 60 miles in 4 hours. For 5 minutes of the ride, he rode at 12 miles per hour. Which number related to Alex's bike ride represents a constant rate of change?

Which surveys illustrate an example of qualitative data? Check all that apply.

Susan, Chang, and Henry sent a total of 127 text messages over their cell phones during the weekend. Chang sent 3 times as many messages as Henry. Henry sent 7 fewer messages than Susan. How many messages did they each send?

Clabber company has bonds outstanding with a par value of $113,000 and a carrying value of $105,100. if the company calls these bonds at a price of $101,500, the gain or loss on retirement is:

For positive integers x and y, x + y = 21. what is the smallest possible value of xy?

The width and length of the bulletin board are whole numbers what is the width of the bulletin board if the length is 4 feet

Numerical WebAssign will do simple calculations for you, using +, -, *, /, parentheses, and e-notation. For example, if a question asks for half the sum of 246 and 388, you can enter " (246+388) / 2".

Ivan plans to reorganize the music on his MP3 players. He has 9 1/3 music of rock and hip-hop. After the change he is planning, he will have 2 4/5 times as many hours if rock and hip-hop music on his MP3 players.

2x+5d-9*2c+844+233+2*+78d

At a pen factory 3 out of 80 pens are defective. If the factory produces 7680 pens in a day, how many will be defective?