Show me how to do 12.96:10

A theater can sell 600 tickets for each performance. for one performance, 80% of the tickets were sold. For another performance, 91% of the tickets were sold. What was the total number of tickets sold for both performances?

The fraction (x^2 + 6x + 5) / (x^3 - 25x) is equivalent to ... A. (X+1) / x B. (X+1) / (x+5) C. (X+1) / (x^2-5x) D. (X+1) / (x^+5) E. (X+1) / (x^2+5x)

Joe is commissioned to build a small rectangular garden area on community property. The landscape committee requested that the garden be 10 feet longer than it is wide. Joe has up to 90 feet of material to use for the perimeter.

Marco's mom has measured his height in centimeters every few months between the ages of 4.5 and 7.5. The recorded values are best estimated by the regression line with the equation y with hat on top equals space 80.46 space plus space 6.25 x.

Mohan is selling cookies at the economics fair. As he decides how to package the cookies, he finds that when he bags them in groups of 4, he has 3 left over. When he bags them in groups of 5, he has 2 left over.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.