Make a 10 or 100 to subtract mentally?

Let's assume the following statements are true: Historically, 75% of the five-star football recruits in the nation go to universities in the three most competitive athletic conferences.

Savannah has a water bottle that is a rectangular prism. The bottle measures 7 centimeters by 5 centimeters by 18 centimeters and she filled it completely with water. Then she drank 1/4 of the volume water in her water bottle.

For the years between 2003 and 2010, the equation yˆ=937.98x+12,764.90 models the average cost of tuition of four-year colleges, in dollars, where x is the number of years after 2000.

In Connecticut, there is a tax charge of $0.84 on a $14 dinner bill. Find the tax rate in Connecticut. (Tax rates are based on cents per one dollar.) What is the equation to solve this?

the number of students in bands that play guitar is 2 or 20% of students in the band how many students are in the band

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.