Luna had $50 when she go to the carnival. After riding 12 rides, she had $26 left. What was the price for each ride? What equation could be used to represent this situation?

How to find the volume of A composite figure

How many solutions does the system of equations have y=5x+7 and 3y-15x=18 A one B two C infinitely many D none

Nicole has $9 to spend on cards. She finds friends with the same amount of money to split the cost of a set. One set costs $27. Each friend gets the same number of cards. How many cards does each friend get?

Andrew has 9.39 but he needs 15.00 to make a purchase how much more does he need.

Prove by induction that in romberg integration rj1

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?

Is it more efficient to solve - 3x+y=1 for x? why or why notes

How many cups is in 1 liter