Write standard form of 400,000+30,000+4,000+50

Harry drove for 5 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 2 more hours on a country road. If his trip was 380 miles, then what was his speed on the freeway?

Calculate the solution of the equation using the method of your choice: 4p = 36.

A department store buys 300 shirts at a cost of 1800 and sells them for $10 each. find the percent markup rounded to the nearest percent

Ray Industries bought a touch screen monitor for $1200. It is expected to depreciate at a rate of 25% per year. What will the value of the monitor be in 3 years? Round to the nearest dollar.

To play a certain board game, you must roll a 6-sided die and spin a 5-colored spinner for each turn.

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.