What is 400 to the nearest 10

Write the ratio as a fraction in simplest form. 15 computers: 30 students

13. John has $1400 in his savings account and withdraws of it. How much is left in his account?

Calculate the average rate of change for the given function, from x = - 3 to x = 7. x f (x) - 3 50 3 10 7 0

Philip is having a party and wants to spend less than $456. He has already spent $400. The only item left on his list is sodas, which cost $8 per case. How many cases of soda, x, can Philip purchase and stay under his budget?

Which property of multiplication is shown below? If x = a + bi and y = c + di, x * y = y * x.

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.